Tiefbohranlage fuer alle gebraeuchlichen Bohrverfahren,申请号DE1936G093227D-传众专利搜索

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发明名称	Tiefbohranlage fuer alle gebraeuchlichen Bohrverfahren
摘要
申请公布号	DE667789(C)	申请公布日期	1938.11.19
申请号	DE1936G093227D	申请日期	1936.07.04
申请人	BRAUNSCHWEIGISCHE BOHRGESELLSCHAFT M.B.H.	发明人	STRASSER ALBERT
分类号	E21B7/00	主分类号	E21B7/00
代理机构		代理人
主权项
地址

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