Home / Standards / GB/T 6506-2017 GB/T 6506-2017 Active Synthetic fibre—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 W50 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 国家标准委 Drafting Unit N/A