FREMGANGSMAATE OG UTSTYR TIL BRUK VED BORING OG KOMPLETTERING AV EN HYDROKARBONBROENN PAA DYPT VANN.,申请号NO19880000108-传众专利搜索

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发明名称	FREMGANGSMAATE OG UTSTYR TIL BRUK VED BORING OG KOMPLETTERING AV EN HYDROKARBONBROENN PAA DYPT VANN.
摘要
申请公布号	NO880108(D0)	申请公布日期	1988.01.12
申请号	NO19880000108	申请日期	1988.01.12
申请人	PETROLEO BRASILEIRO SA - PETROBRAS	发明人	RODRIGUES, RENATO SANCHES;OGURA, JAYME HIROTUGO
分类号	E21B17/10;E21B33/035;E21B33/037;(IPC1-7):E21B/	主分类号	E21B17/10
代理机构		代理人
主权项
地址

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