Home / Standards / GB/T 19113 GB/T 19113 Active Classification of fresh silkworm cocoon—Method of cocoon layer weight 桑蚕鲜茧分级 茧层量法 Standard Type GBT ICS 59.060.10 CCS W40 Status 现行 Issue Date 2022-10-14 Implementation 2023-05-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委