Home / Standards / GB/T 17643-2011 GB/T 17643-2011 Abolished Geosynthetics - Polyethylene geomembrane 土工合成材料 聚乙烯土工膜 Standard Type GBT ICS 83.140.10 CCS G33 Status 废止 Issue Date 2011-12-30 Implementation 2012-09-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A