Attachment for drilling machines or drills,申请号US19280299335-传众专利搜索

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法人/股东/高管

发明名称	Attachment for drilling machines or drills
摘要
申请公布号	US1813785(A)	申请公布日期	1931.07.07
申请号	US19280299335	申请日期	1928.06.30
申请人	CHARLES WEBER	发明人	WEBER CHARLES
分类号	B23B45/14;B25H1/00	主分类号	B23B45/14
代理机构		代理人
主权项
地址

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