Control means for automatic grinding machines,申请号US19500146761-传众专利搜索

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发明名称	Control means for automatic grinding machines
摘要
申请公布号	US2648175(A)	申请公布日期	1953.08.11
申请号	US19500146761	申请日期	1950.02.28
申请人	FRASER ELLA M	发明人	FRASER ELLA M.
分类号	B24B5/02	主分类号	B24B5/02
代理机构		代理人
主权项
地址

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