Method of and apparatus for pipe finishing,申请号US19330681391-传众专利搜索

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发明名称	Method of and apparatus for pipe finishing
摘要
申请公布号	US2071154(A)	申请公布日期	1937.02.16
申请号	US19330681391	申请日期	1933.07.20
申请人	THE YOUNGSTOWN SHEET & TUBE COMPANY	发明人	JR. JAMES L. ADAMS,
分类号	B21C37/30;B21D3/05	主分类号	B21C37/30
代理机构		代理人
主权项
地址

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