Cone rib finishing machine,申请号US19500149996-传众专利搜索

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发明名称	Cone rib finishing machine
摘要
申请公布号	US2660840(A)	申请公布日期	1953.12.01
申请号	US19500149996	申请日期	1950.03.16
申请人	THE TIMKEN ROLLER BEARING COMPANY	发明人	BERGSTROM ALBERT L.
分类号	B24B5/14	主分类号	B24B5/14
代理机构		代理人
主权项
地址

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