苏州昆山，上海BDL系列防爆电铃，专业防爆电铃厂家供货



125


75(R=2m)


20




苏州昆山，上海防爆电铃，专业厂家供货




防护等级
Degree of protection


防爆标志
Ex-marking


防腐等级
Degree of corrosion-resistance

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