Mit der Seitenwand eines Bohrlochs in Anlage gelangender Dichtungsschuh,申请号DE1955SC18214-传众专利搜索

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发明名称	Mit der Seitenwand eines Bohrlochs in Anlage gelangender Dichtungsschuh
摘要
申请公布号	DE1029312(B)	申请公布日期	1958.05.08
申请号	DE1955SC18214	申请日期	1955.06.25
申请人	SCHLUMBERGER WELL SURVEYING CORPORATION	发明人	BOLLER HARRY B.
分类号	E21B49/10	主分类号	E21B49/10
代理机构		代理人
主权项
地址

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