Method of making a straight thread,申请号US19590798987-传众专利搜索

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发明名称	Method of making a straight thread
摘要
申请公布号	US3056734(A)	申请公布日期	1962.10.02
申请号	US19590798987	申请日期	1959.03.12
申请人	UNITED STATES STEEL CORPORATION	发明人	SCOTT JAMES A.
分类号	B23H3/00	主分类号	B23H3/00
代理机构		代理人
主权项
地址

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