Device for prevention of tool deformation during hardening,申请号US19540425707-传众专利搜索

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发明名称	Device for prevention of tool deformation during hardening
摘要
申请公布号	US2709077(A)	申请公布日期	1955.05.24
申请号	US19540425707	申请日期	1954.04.26
申请人	MEDERIC E. BERARD;ERNEST A. LOMBARDI	发明人	ALLEN JOHN E.
分类号	C21D1/673	主分类号	C21D1/673
代理机构		代理人
主权项
地址

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