Method and apparatus for grinding,申请号US19520308265-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	US2729919(A)	申请公布日期	1956.01.10
申请号	US19520308265	申请日期	1952.09.06
申请人	THE THOMPSON GRINDER COMPANY	发明人	KRAFFT FREDERICK G.
分类号	B24B7/14;B24B19/02;B24D5/06	主分类号	B24B7/14
代理机构		代理人
主权项
地址

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