Home / Standards / GB/T 6671-2001 GB/T 6671-2001 Active Thermoplastics pipes--Determination of longitudinal reversion 热塑性塑料管材 纵向回缩率的测定 Standard Type GBT ICS 23.040.20 CCS G33 Status 现行 Issue Date 2001-10-24 Implementation 2002-05-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A