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GB/T 13788-2017 冷轧带肋钢筋 Cold rolled ribbed steel bars2023-07-11

YS/T 457-2021 铝箔用冷轧带材2023-03-06

JB/T 13980-2021 金属带材冷轧棱锥轴式卷筒2023-03-04

JB/T 13979-2021 金属带材冷轧棱锥套式卷筒2023-03-02

GB/T 34901-2017冷轧带材板形闭环测控系统2022-06-10

YB/T 4215-2010二极管用冷轧钢带Cold rolled precision strip for the lead frame of diode2022-06-10

GB/T 34902-2017冷轧带材接触式板形仪2022-06-09

YB/T 5064-1993自行车链条用冷轧钢带Cold-rolled steel strip for bicycle chain2022-06-08

重卷机组的优化设计2020-09-30