Home / Standards / GB/T 17638-1998 GB/T 17638-1998 Abolished Geosynthetics--Synthetic staple fibers needlepunched nonwoven geotextiles 土工合成材料 短纤针刺非织造土工布 Standard Type GBT ICS 59.080.70 CCS W59 Status 废止 Issue Date 1998-12-24 Implementation 1999-03-01 Responsible Dept 中国纺织工业联合会 Drafting Unit N/A