FREMGANGSMAATE OG ANORDNING FOR BORING AV ET BOREHULL SIDEVEIS INN I EN JORDFORMASJON RUNDT EN BROENN.,申请号NO19890002827-传众专利搜索

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发明名称	FREMGANGSMAATE OG ANORDNING FOR BORING AV ET BOREHULL SIDEVEIS INN I EN JORDFORMASJON RUNDT EN BROENN.
摘要
申请公布号	NO892827(A)	申请公布日期	1991.01.08
申请号	NO19890002827	申请日期	1989.07.07
申请人	BODINE, ALBERT G.	发明人	BODINE, ALBERT G.
分类号	E21B;E21B7/08;E21B7/24;(IPC1-7):E21B7/08	主分类号	E21B
代理机构		代理人
主权项
地址

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