Home / Standards / GB/T 14799-2024 GB/T 14799-2024 Active Geosynthetics—Determination of the effective opening size—Dry sieving method 土工合成材料 有效孔径的测定 干筛法 Standard Type GBT ICS 59.080.70 CCS W04 Status 现行 Issue Date 2024-03-15 Implementation 2024-10-01 Responsible Dept 中国纺织工业联合会 Drafting Unit N/A