GB/T 13954-1992 Special warning lights for road vehicles

GB 13954-2004 Emergency vehicle warning lamps

GB/T 2423.27-2020 Environmental testing—Part 2:Test methods—Test method and guidance:Combined temperature or temperature and humidity with low air pressure tests GB/T 2423.28-2005 Environmental testing for electric and electronic products—Part 2:Test methods—Test T:Soldering GB/T 2423.29-1999 Environmental testing for electric and electronic products—Part 2:Test methods—Test U:Robustness of terminations and integral mounting devices GB/T 2423.30-1999 Environmental testing for electric and electronic products—Part 2:Test methods-Test XA and guidance:Immersion in cleaning solvents GB/T 2423.30-2013 Environmental testing—Part 2:Test methods—Test XA and guidance:Immersion in cleaning solvents GB/T 2423.32-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ta:Solderability test by the wetting balance method GB/T 2423.33-2005 Environmental testing for electric and electronic products—Part 2:Test method—Test Kca:High concentration sulfur dioxide GB/T 2423.33-2021 Environmental testing—Part 2:Test methods—Test Kca:High concentration sulfur dioxid GB/T 2423.34-2005 Environmental testing for electric and electronic products—Part 2:Test methods—Test Z/AD:Composite temperature/ humidity cyclic test GB/T 2423.34-2012 Environmental testing—Part 2:Test methods—Test Z/AD:Composite temperature/humidity cyclic test GB/T 2423.34-2024 Environmental testing—Part 2:Test methods—Test Z/AD:Composite temperature/humidity cyclic test GB/T 2423.35-2005 Environmental testing for electric and electronic products—Part 2:Test Methods—Test Z/AFc:Combined cold/vibration (sinusoidal) tests for both heat-dissipating and non-heat-dissipating specimens GB/T 2423.35-2019 Environmental testing—Part 2:Tests and guidance—Combined climatic(temperature/humidity)and dynamic(vibration/shock)tests GB/T 2423.36-2005 Environmental testing for electric and electronic products—Part 2:Test Methods—Test Z/BFc:Combined dry heat/vibration(sinusoidal) tests for both heat-dissipating and non-heat-dissipating specimens GB/T 2423.37-2006 Environmental testing for electric and electronic products—Part 2:Test methods—Test L:Dust and sand GB/T 2423.38-1990 Basic environmental test procedures for electric and electronic products Test R:Water test method GB/T 2423.38-2005 Environmental testing for electric and electronic products—Part 2:Test methods—Test R:Water test method and guidance GB/T 2423.38-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test R:Water test method and guidance GB/T 2423.38-2021 Environmental testing—Part 2:Test methods—Test R:Water test method and guidance GB/T 2423.39-1990 Basic environmental testing procedures for electric and electronic products Test Ee:Bounce GB/T 2423.39-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ee:Bounce GB/T 2423.39-2018 Environmental testing—Part 2:Test methods—Test Ee and guidance:Loose cargo testing including bounce GB/T 2423.40-1997 Environmental testing for electric and electronic products Part 2:Test methods Test Cx:Damp heat, steady state(unsaturated pressurized vapour) GB/T 2423.40-2013 Environmental testing—Part 2:Test methods—Test Cx:Damp heat,steady state(unsaturated pressurized vapour) GB/T 2423.41-1994 Basic environmental testing procedures for electric and electronic products—Wind pressure GB/T 2423.41-2013 Environmental testing—Part 2:Test methods—Wind pressure GB/T 2423.42-1995 Basic environmental testing procedures for electric and electronic products—Combined low temperature/low air pressure/vibration(sinusoidal)test GB/T 2423.43-1995 Environmental testing for electric and electronic products Part 2:test methods—Mounting of components, equipment and other articles for dynamic tests including shock(Ea), bump(Eb), vibration(Fc and Fd) and steady-state acceleration(Ca) and guidance GB/T 2423.43-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Mounting of specimens for vibration, impact and similar dynamic tests GB/T 2423.44-1995 Environmental testing for electric and electronic products—Part 2:Test method Test Eg:Impact, spring hammer GB/T 2423.45-1997 Environmental testing for electric and electronic products—Part 2:Test methods—Test Z/ABDM:Climatic sequence GB/T 2423.45-2012 Environmental testing—Part 2:Test methods—Test Z/ABDM:Climatic sequence GB/T 2423.46-1997 Environmental testing for electric and electronic products Part 2:Test method—Test Ef:Impact, pendulum hammer GB/T 2423.47-1997 Environmental testing for electric and electronic products Part 2:Test methods Test Fg:Vibration, acoustically induced GB/T 2423.47-2018 Environmental testing—Part 2:Test methods—Test Fg:Acoustic vibration GB/T 2423.48-1997 Environmental testing for electric and electronic products Part 2:Test methods—Test Ff:Vibration—Time-history method GB/T 2423.48-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ff:Vibration—Time-history method GB/T 2423.48-2018 Environmental testing—Part 2:Test methods—Test Ff:Vibration—Time-history and sine-beat method GB/T 2423.49-1997 Environmental testing for electric and electronic products Part 2:Test methods—Test Fe:Vibration—sine-beat method GB/T 2423.50-1999 Environmental testing for electric and electronic products—Part 2:Tests—Test Cy:Damp heat, steady state, accelerated test primarily intended test primarily intended for components GB/T 2423.50-2012 Environmental testing—Part 2:Test methods—Test Cy:Damp heat,steady state,accelerated test primarily intended for components GB/T 2423.50-2025 Environmental testing—Part 2:Test methods—Test Cy:Damp heat, steady state,accelerated test primarily intended for components GB/T 2423.51-2000 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ke:Flowing mixed gas corrosion test GB/T 2423.51-2012 Environmental testing—Part 2:Test methods—Test Ke:Flowing mixed gas corrosion test GB/T 2423.51-2020 Environmental testing—Part 2:Test methods—Test Ke:Flowing mixed gas corrosion test GB/T 2423.52-2003 Environmental testing for electric and electronic products—Part 2:Test methods—Test 77:Body strength and impact shock GB/T 2423.53-2005 Environmental testing for electric and electronic products—Part 2:Test methods—Test Xb:Abrasion of markings and letterings caused by rubbing of fingers and hands GB/T 2423.54-2005 Environmental testing for electric and electronic products—Part 2:Test methods—Test Xc:Fluid contamination GB/T 2423.54-2022 Environmental testing—Part 2:Test methods—Test Xc:Fluid contamination GB/T 2423.55-2006 Environmental testing for electric and electronic products—Part 2:Test methods—Test Eh:Hammer tests GB/T 2423.55-2023 Environmental testing—Part 2:Test methods—Test Eh:Hammer tests GB/T 2423.56-2006 Environmental testing for electric and electronic products—Part 2:Test methods—Test Fh:Vibration, broad-band random(digital control)and guidance GB/T 2423.56-2018 Environmental testing—Part 2:Test methods—Test Fh:Vibration, broadband random and guidance GB/T 2423.56-2023 Environmental testing—Part 2:Test methods—Test Fh:Vibration,broadband random and guidance GB/T 2423.57-2008 Environmental testing for electric and electronic products—Part 2:Tests—Test Ei:Shock—Shock response spectrum synthesis GB/T 2423.58-2008 Environmental testing for electric and electronic products—Part 2:Tests methods—Test Fi:Vibration—Mixed Mode GB/T 2423.59-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test Z/ABMFh:Combined temperature(cold and heat)/low air pressure/vibration(random) GB/T 2423.60-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test U:Robustness of terminations and integral mounting devices GB/T 2423.61-2018 Environmental testing—Part 2:Test methods—Test and guidance:Dust and sand test for large specimen GB/T 2423.62-2018 Environmental testing—Part 2:Test motheds—Test Fx and guidance:Mulit input mulit output vibration test GB/T 2423.63-2019 Environmental testing—Part 2:Test methods—Test:combined temperature(cold and heat)/low air pressure/vibration(mixed mode) GB/T 2423.64-2023 Environmental testing—Part 2:Test methods—Test Fj:Vibration—Long time history replication GB/T 2423.65-2024 Environmental testing—Part 2:Test methods—Test:Combined salt mist/temperature/humidity/solar radiation GB/T 2423.66-2025 Environmental testing—Part 2:Test methods—Test:Combined temperature/humidity/static load GB/T 2423.101-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test:Inclinations and swings GB/T 2423.101-2025 Environmental testing—Part 2:Test methods—Test:Inclinations and swings GB/T 2423.102-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test: combined temperature(cold and heat)/low air pressure/vibration(sinusoidal) GB/T 3681-2000 Plastics—Test method of exposure to weathering GB/T 3681-2011 Plastics—Methods of exposure to direct weathering,to weathering using glass-filtered daylight,and to intensified weathering by daylight using Fresnel mirrors GB/T 3681.1-2021 Plastics—Methods of exposure to solar radiation—Part 1:General guidance GB/T 3681.2-2021 Plastics—Methods of exposure to solar radiation—Part 2:Direct weathering and exposure behind window glass GB/T 3978-1994 Standard illuminants and illuminating—viewing conditions GB/T 3978-2008 Standard illuminants and geometric conditions GB/T 3979-1997 Methods of measuring the color of materials GB/T 3979-2008 Methods for the measurement of object color