Semi-automatic pivot polisher,申请号US19490089256-传众专利搜索

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发明名称	Semi-automatic pivot polisher
摘要
申请公布号	US2614465(A)	申请公布日期	1952.10.21
申请号	US19490089256	申请日期	1949.04.23
申请人	HAMILTON WATCH COMPANY	发明人	MARKERT JOHN E. RUSSELL;SMITH JAMES DONALD
分类号	B24B39/04;G04D3/02	主分类号	B24B39/04
代理机构		代理人
主权项
地址

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