JB/T 10847-2008
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.粉尘防爆插接装置
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 plug and socket