UTSTYR FOR BORESTRENG SAMT FREMGANGSMAATE FOR ANVENDELSE AV SAMME.,申请号NO19880001959-传众专利搜索

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发明名称	UTSTYR FOR BORESTRENG SAMT FREMGANGSMAATE FOR ANVENDELSE AV SAMME.
摘要
申请公布号	NO881959(A)	申请公布日期	1988.11.08
申请号	NO19880001959	申请日期	1988.05.05
申请人	INST FRANCAIS DU PETROLE	发明人	WITTRISCH CHRISTIAN
分类号	E21B17/02;E21B17/06;E21B23/01;E21B23/08;E21B23/14;E21B33/072;(IPC1-7):E21B/	主分类号	E21B17/02
代理机构		代理人
主权项
地址

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