Drilling and countersinking tool,申请号US19420469859-传众专利搜索

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发明名称	Drilling and countersinking tool
摘要
申请公布号	US2358541(A)	申请公布日期	1944.09.19
申请号	US19420469859	申请日期	1942.12.23
申请人	ROBERT H. CLARK	发明人	SMITH LAWSON A.
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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