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行业标准编号 行业标准名称GA 303-2001 软质阻燃聚氨酯泡沫塑料GA 304-2001 硬聚氯乙烯建筑排水管道阻火圈GA 305-2001 电气安装用阻燃PVC塑料平导管通用技术条件
Industry Standard Code Industry Standard Name GA 303-2001 Flexible Flame Retardant Polyurethane Foam GA 304-2001 Polyvinyl Chloride Building Drainage Pipe Flame Retardant GA 305-2001 Flame Retardant PVC Plastic Conduit for Electrical Installation General Specifications