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防爆標志Ex-marking：Ex d IIC T6;DIP A20 Ta,T6

外殼材質：無銅鋁合金鑄造，碳鋼，拋丸，聚脂靜電噴塑

Enclosure: Die-casted with aluminum alloy without copper, carbon steel, shot blasting, electrostatic ployester-sprayed