Home / Standards / GB/T 12412-2007 GB/T 12412-2007 Abolished Yak wool 牦牛绒 Standard Type GBT ICS 59.060.10 CCS B45 Status 废止 Issue Date 2007-06-21 Implementation 2007-09-01 Responsible Dept 国家标准委 Drafting Unit N/A