Crush-type grinding wheel truing device,申请号US19440564318-传众专利搜索

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发明名称	Crush-type grinding wheel truing device
摘要
申请公布号	US2446105(A)	申请公布日期	1948.07.27
申请号	US19440564318	申请日期	1944.11.20
申请人	THE SHEFFIELD CORPORATION	发明人	POLK LOUIS F.
分类号	B24B53/07	主分类号	B24B53/07
代理机构		代理人
主权项
地址

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