GB国家标准 GB/T 3903.36-2008/ISO 22774 :2004 鞋类鞋带试验方法耐磨性能 GB/T 3903.36-2008/ISO 22774 :2004.Footwear-Test methods for accessories: shoe laces- Abrasion resist... 12月30日GB/T 3903.36 阅读全文