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ASTM B240-2017 铸造与模铸件用锌和锌铝合金锭的规格 Standard Specification for Zinc and Zinc-Aluminum (ZA) All...2023-07-25

ASTM B86-2018 锌和锌铝合金铸件和模铸件规格 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foun...2023-06-05