Improvement of the tensile strength of metal products,申请号US19550544377-传众专利搜索

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发明名称	Improvement of the tensile strength of metal products
摘要
申请公布号	US2881822(A)	申请公布日期	1959.04.14
申请号	US19550544377	申请日期	1955.11.01
申请人	MAURICE HENRY	发明人	HENRY MAURICE
分类号	B21D11/15;C21D8/08	主分类号	B21D11/15
代理机构		代理人
主权项
地址

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