Multiple center hole abrasive disk,申请号US19510223544-传众专利搜索

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法人/股东/高管

发明名称	Multiple center hole abrasive disk
摘要
申请公布号	US2685155(A)	申请公布日期	1954.08.03
申请号	US19510223544	申请日期	1951.04.28
申请人	MINNESOTA MINING & MANUFACTURING COMPANY	发明人	KUZMA JOHN J.;KURTZ KENNETH W.;BAKER CLIFFORD A.
分类号	B24D7/16	主分类号	B24D7/16
代理机构		代理人
主权项
地址

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