Machine for grinding,申请号US19390266602-传众专利搜索

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发明名称	Machine for grinding
摘要
申请公布号	US2211350(A)	申请公布日期	1940.08.13
申请号	US19390266602	申请日期	1939.04.07
申请人	JOHNSON PRODUCTS, INC.	发明人	OSBORN RALPH W.
分类号	B24B9/00;B24B27/00	主分类号	B24B9/00
代理机构		代理人
主权项
地址

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