Home / Standards / GB/T 17688-1999 GB/T 17688-1999 Abolished Geosynthetics--Polyvinyl chloride geomembrane 土工合成材料 聚氯乙烯土工膜 Standard Type GBT ICS 83.140.10 CCS G33 Status 废止 Issue Date 1999-03-08 Implementation 1999-07-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A