Improvements in and relating to lapping devices,申请号GB19380013779-传众专利搜索

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发明名称	Improvements in and relating to lapping devices
摘要
申请公布号	GB503124(A)	申请公布日期	1939.03.31
申请号	GB19380013779	申请日期	1938.05.09
申请人	BOYAR-SCHULTZ CORPORATION	发明人
分类号	B24B33/08	主分类号	B24B33/08
代理机构		代理人
主权项
地址

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