Method and apparatus for grinding,申请号US19450593814-传众专利搜索

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发明名称	Method and apparatus for grinding
摘要
申请公布号	US2434679(A)	申请公布日期	1948.01.20
申请号	US19450593814	申请日期	1945.05.15
申请人	NORTON COMPANY	发明人	WAGNER HERBERT W.;WICKSTROM GUSTAV J.
分类号	B24B55/02	主分类号	B24B55/02
代理机构		代理人
主权项
地址

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