JB/T 10836-2008
可燃性粉尘环境用电气设备用.外壳和限制表面温度保护的电气设备.粉尘防爆照明开关
Electrical apparatus for use in the presence of combustible dust.Electrical apparatus protected by enclosures and surface temperature .limitation-Specification for attaratus.Dust and explosion-proof lighting switch