Grinding machine with automatic feed crush dressing roll,申请号US19450597425-传众专利搜索

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发明名称	Grinding machine with automatic feed crush dressing roll
摘要
申请公布号	US2469988(A)	申请公布日期	1949.05.10
申请号	US19450597425	申请日期	1945.06.04
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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