Method of tapering metallic rods and the like,申请号US19300448717-传众专利搜索

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发明名称	Method of tapering metallic rods and the like
摘要
申请公布号	US1907907(A)	申请公布日期	1933.05.09
申请号	US19300448717	申请日期	1930.04.30
申请人	ALUMINIUM LIMITED	发明人	VARNEY THEODORE
分类号	B21C37/18	主分类号	B21C37/18
代理机构		代理人
主权项
地址

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