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GB/T 8366-2021 电阻焊电阻焊设备机械和电气要求 Resistance welding-Resistance welding equipment- Mechanical ...2023-09-21

ASTM A178/A178M-2019 Standard Specification for Electric-Resistance-Welded Carbon Steel and Carbon-Manganes...2023-08-16

GB/T 34564.1-2017 冷作模具钢第1部分：高韧性高耐磨性钢 Cold-word mould steel-Part 1 :High toughness and wear-r...2023-06-09

GB/T 3903.32-2022鞋类内底试验方法缝合撕破力Footwear-Test methods for insoles-Resistance to stitch tear...2023-04-21