Metal boring tool,申请号US19430505713-传众专利搜索

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发明名称	Metal boring tool
摘要
申请公布号	US2359474(A)	申请公布日期	1944.10.03
申请号	US19430505713	申请日期	1943.10.11
申请人	EMIL GAIRING	发明人	GAIRING EMIL
分类号	B23B51/10	主分类号	B23B51/10
代理机构		代理人
主权项
地址

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