煤炭安全證書和防爆證明是一樣的嗎

防爆和煤炭安全證書的頒發和範圍有顯著差異.

發行用, 防爆合格證由國家電器產品品質監督檢驗中心或其他相關部門直接核發. 相比之下, the coal safety certificate is exclusively issued after inspection by the National Safety Mark Center, marking a substantial distinction.

Regarding the scope, the explosion-proof certificate is designed for environments with 霹靂 hazardous gases and is predominantly used in Class II locations. 反過來, the coal safety certificate is strictly for use in Class I environments, where gaseous explosive hazards like 甲烷 很普遍.