Home / Standards / GB/T 6506-2001 GB/T 6506-2001 Abolished Test method for crimp contraction properties of textured filament yarns 合成纤维变形丝卷缩性能试验方法 Standard Type GBT ICS 59.060.20 CCS W52 Status 废止 Issue Date 2001-05-23 Implementation 2001-12-01 Responsible Dept 中国纺织工业联合会 Drafting Unit 中国纺织工业联合会