Geradfuehrung des Bohrgestaenges bei elektrischen Tiefbohrgeraeten,申请号DE1963L044419-传众专利搜索

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发明名称	Geradfuehrung des Bohrgestaenges bei elektrischen Tiefbohrgeraeten
摘要
申请公布号	DE1215626(B)	申请公布日期	1966.05.05
申请号	DE1963L044419	申请日期	1963.03.20
申请人	LICENTIA PATENT-VERWALTUNGS-G.M.B.H.	发明人	BOESE ALFRED
分类号	E21B19/00	主分类号	E21B19/00
代理机构		代理人
主权项
地址

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