Roll stand reamer,申请号US19290382464-传众专利搜索

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发明名称	Roll stand reamer
摘要
申请公布号	US1861907(A)	申请公布日期	1932.06.07
申请号	US19290382464	申请日期	1929.07.31
申请人	ARCHIE COTTLE WILLIAM;COTTLE ROBERT L	发明人	COTTLE WILLIAM ARCHIE;COTTLE ROBERT L.
分类号	B23D75/00	主分类号	B23D75/00
代理机构		代理人
主权项
地址

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