Combination pilot and countersink drill,申请号US19560590448-传众专利搜索

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发明名称	Combination pilot and countersink drill
摘要
申请公布号	US2863340(A)	申请公布日期	1958.12.09
申请号	US19560590448	申请日期	1956.06.11
申请人	MAXWELL INGRAM	发明人	INGRAM MAXWELL
分类号	B23B51/10;B27G15/00	主分类号	B23B51/10
代理机构		代理人
主权项
地址

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