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International Standard Category: Plastics pipes and fittings for non fluid use

GB/T 20221-2006    Unplasticized poly(vinyl chloride)(PVC-U)pipes for non-pressure buried drainage and sewerage systems
无压埋地排污、排水用硬聚氯乙烯(PVC-U)管材 ;
Category No.:83.140.30 Valid Status:to be superseded
Issued Organization:AQSIQ, SAC Issued Date:2006-03-10
Implemented Date:2006-10-1 Abolished Date:
Superseded Standard.:GB/T 20221-2023 Unplasticized poly(vinyl chloride) (PVC-U) pipes for non-pressure buried drainage and sewerage systems
Superseded Date:2024-4-1
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