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International Standard Category: Plastics pipes

MT 558.2-2005    Plastic pipes in coal mining Part 2: Polyvinyl chloride pipes
煤矿井下用塑料管材第2部分:聚氯乙烯管材 ;
Category No.:23.040.20 Valid Status:valid
Issued Organization:NDRC Issued Date:2005-09-23
Implemented Date:2006-2-1 Abolished Date:
Superseded Standard.:强制性推荐性标准
Superseded Date:
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