GB/T 6902-2010 Test methods for railway signal relays

GB/T 6902-2001 Testing methods for railway signal relays

GB/T 2408-2008 Plastics—Determination of burning characteristics—Horizontal and vertical test GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat GB/T 2423.4-2008 Environmental testing for electric and electronic products—Part 2:Test method—Test Db:Damp heat,cyclic(12 h+12 h cycle) GB/T 2423.5-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.10-2008 Environmental testing for electric and electronic products—Part 2:Tests methods Test Fc:Vibration(sinusoidal) GB/T 2423.16-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test J and guidance:Mold growth GB/T 2423.17-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ka:Salt mist GB/T 2423.21-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test M:Low air pressure GB/T 5169.5-2008 Fire hazard testing for electric and electronic products—Part 5:Test flames—Needle test method—Apparatus,confirmatory arrangement and guidance