FREMGANGSMAATE FOR BESTEMMELSE AV POROESITETEN FOR EN UNDERGRUNNSFORMASJON UNDER BORING.,申请号NO19890002908-传众专利搜索

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发明名称	FREMGANGSMAATE FOR BESTEMMELSE AV POROESITETEN FOR EN UNDERGRUNNSFORMASJON UNDER BORING.
摘要
申请公布号	NO892908(D0)	申请公布日期	1989.07.14
申请号	NO19890002908	申请日期	1989.07.14
申请人	ANADRILL INTERNATIONAL SA	发明人	CURRY, DAVID;SHEPPARD, MICHAEL
分类号	E21B44/00;E21B49/00;(IPC1-7):E21B/	主分类号	E21B44/00
代理机构		代理人
主权项
地址

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