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防爆標志Ex-marking：Ex de IIC T6/ DIP A20 TA,T6

外殼材質：碳鋼或耐酸不銹鋼，拋丸，聚脂靜電噴塑

Enclosure: Carbon steel or acid-resistant stainless steel, shot blasting, 

Enclosure:   electrostatic polyester-sprayed