Home / Standards / GB/T 14578 GB/T 14578 Upcoming Water-reeled tussah silk 柞蚕水缫丝 Standard Type GBT ICS 59.080.20 CCS W42 Status 即将实施 Issue Date 2025-10-31 Implementation 2027-11-01 Responsible Dept 中国纺织工业联合会 Drafting Unit 中国纺织工业联合会