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International Standard Category: Mechanical testing of metals

GB 3771-1983    Conversion of hardness and strength for copper alloys
铜合金硬度与强度换算值 ;
Category No.:77.040.10 Valid Status:valid
Issued Organization:China State Bureau of Standards Issued Date:1983-06-22
Implemented Date:1984-4-1 Abolished Date:
Superseded Standard.: Superseded Date:
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