Drill and countersink tool,申请号US19560614698-传众专利搜索

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发明名称	Drill and countersink tool
摘要
申请公布号	US2978846(A)	申请公布日期	1961.04.11
申请号	US19560614698	申请日期	1956.10.08
申请人	BARRON LEE H	发明人	BARRON LEE H.
分类号	B24B5/01;B24D7/00;B24D7/18;B28D1/14	主分类号	B24B5/01
代理机构		代理人
主权项
地址

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