Home / Standards / GB/T 17634-2019 GB/T 17634-2019 Active Geotextiles and geotextile-related products—Determination of the characteristic opening size—Wet sieving method 土工布及其有关产品 有效孔径的测定 湿筛法 Standard Type GBT ICS 59.080.70 CCS W04 Status 现行 Issue Date 2019-12-31 Implementation 2020-07-01 Responsible Dept 中国纺织工业联合会 Drafting Unit N/A