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發布時間：1977-01-01
實施時間：1977-01-01
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[GB/T 340-1976] 有色金屬及合金產品牌號表示方法[已作廢]
發布時間：1976-09-08
實施時間：1977-07-01
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[GB/T 3190-2020] 變形鋁及鋁合金化學成分[即將實施]
發布時間：2020-03-31
實施時間：2021-02-01
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