Machine for grinding ring-like workpieces to accurate size,申请号US19540447207-传众专利搜索

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发明名称	Machine for grinding ring-like workpieces to accurate size
摘要
申请公布号	US2799977(A)	申请公布日期	1957.07.23
申请号	US19540447207	申请日期	1954.08.02
申请人	LANDIS TOOL COMPANY	发明人	JONES ALVIN J.;BALSIGER HAROLD E.
分类号	B24B5/28	主分类号	B24B5/28
代理机构		代理人
主权项
地址

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