Wall drill,申请号GB19600041789-传众专利搜索

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发明名称	Wall drill
摘要
申请公布号	GB950625(A)	申请公布日期	1964.02.26
申请号	GB19600041789	申请日期	1960.12.05
申请人	LOUIS AACKERSBERG MORTENSEN	发明人
分类号	E21B10/44;E21B10/58	主分类号	E21B10/44
代理机构		代理人
主权项
地址

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