Abrasive tool,申请号US19350026810-传众专利搜索

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发明名称	Abrasive tool
摘要
申请公布号	US2171254(A)	申请公布日期	1939.08.29
申请号	US19350026810	申请日期	1935.06.15
申请人	KAUFMAN LEONARD J;SHEMCHAK CHARLES H	发明人	KAUFMAN LEONARD J.;SHEMCHAK CHARLES H.
分类号	B24B15/00	主分类号	B24B15/00
代理机构		代理人
主权项
地址

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