Double lap for lapping parallel faces,申请号US19510224524-传众专利搜索

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发明名称	Double lap for lapping parallel faces
摘要
申请公布号	US2688215(A)	申请公布日期	1954.09.07
申请号	US19510224524	申请日期	1951.05.04
申请人	CRANE PACKING COMPANY	发明人	ROSHONG RAYMOND G.;PEICKII VASALIE L.
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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