Home / Standards / GB/T 20674.1-2006 GB/T 20674.1-2006 Abolished Plastics pipes and fittings - Equipment for fusion jointing polyethylene systems - Part 1：Butt fusion 塑料管材和管件 聚乙烯系统熔接设备 第1部分：热熔对接 Standard Type GBT ICS 83.140.30 CCS G33 Status 废止 Issue Date 2006-09-18 Implementation 2007-05-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A