Home / Standards / GB/T 22856-2009 GB/T 22856-2009 Abolished Gambiered canton silk 莨绸 Standard Type GBT ICS 59.080.30 CCS W43 Status 废止 Issue Date 2009-04-21 Implementation 2009-12-01 Responsible Dept 中国纺织工业联合会 Drafting Unit 中国纺织工业联合会