Lapping machine and automatic feed mechanism therefor,申请号US19540437690-传众专利搜索

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发明名称	Lapping machine and automatic feed mechanism therefor
摘要
申请公布号	US2821818(A)	申请公布日期	1958.02.04
申请号	US19540437690	申请日期	1954.06.18
申请人	CRANE PACKING COMPANY	发明人	MCGEE HAROLD E.;SWANSON WALTER S.
分类号	B24B37/04	主分类号	B24B37/04
代理机构		代理人
主权项
地址

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