Home / Standards / GB/T 9642-1988 GB/T 9642-1988 Abolished Polyethylene (PE) pipes and fittings--Designation of polyethylene based on nominal density and melt flow rate 聚乙烯(PE)管材和管件 根据聚乙烯公称密度和熔体流动速率命名的方法 Standard Type GBT ICS 23.040.20 CCS G33 Status 废止 Issue Date 1988-07-08 Implementation 1989-02-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A