Home / Standards / GB/T 14345 GB/T 14345 Active Testing method for twist of man-made filament 化学纤维 长丝捻度试验方法 Standard Type GBT ICS 59.060.01 CCS W50 Status 现行 Issue Date 2008-06-18 Implementation 2009-03-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委