GB/T 26944.1-2011 Tunnel environment detection equipment—Part 1:General rule

GB/T 26944.2-2011 Tunnel environment detection equipment—Part 2:Carbon monoxide detector GB/T 26944.3-2011 Tunnel environment detection equipment—Part 3:Visibility indicator GB/T 26944.4-2011 Tunnel environment detection equipment—Part 4:Wind speed and direction indicator

GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 22040-2008 Technical requirements and determination of weathering quality for plastics of highway furnatures GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2423.1-2001 Environmental testing for electric and electronic products—Part 2:—Test methods Tests A:Cold GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold GB/T 2423.2-2001 Environmental testing for electric and electronic products—Part 2:Test methods-Tests B:Dry heat GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat GB/T 2423.3-1993 Basic environmental testing procedures for electric and electronic products—Test Ca:Damp heat, steady state GB/T 2423.3-2006 Environmental testing for electric and electronic products—Part 2:Testing method—Test Cab:Damp heat, steady state GB/T 2423.3-2016 Environmental testing—Part 2:Testing method—Test Cab:Damp heat,steady state GB/T 2423.10-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Fc and guidance:Vibration (Sinusoidal) GB/T 2423.10-2008 Environmental testing for electric and electronic products—Part 2:Tests methods Test Fc:Vibration(sinusoidal) GB/T 2423.10-2019 Environmental testing—Part 2:Tests methods—Test Fc:Vibration(sinusoidal) GB/T 2423.17-1993 Basic environmental testing procedures for electric and electronic products Test Ka:Salt mist GB/T 2423.17-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ka:Salt mist GB/T 2423.17-2024 Environmental testing—Part 2:Test methods—Test Ka:Salt mist GB/T 3453-1994 Basic mode control procedures for data communications GB/T 3454-1982 List of definitions for interchange circuits between data terminal equipment and data-circuit-terminating equipment GB/T 3454-2011 List of definitions for interchange circuits between data terminal equipment(DTE) and data circuit-terminating equipment(DCE) JT/T 606.1-2004 Communication rules of the devices of surveillance and control system for expressway-Part 1:Universal rules GB/T 191-2025 Graphical symbols marking for handling and storage of packages