Konnektor for å forbinde en produksjons-stigerörledning til et undersjöisk brönnhode,申请号NO19900001156-传众专利搜索

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发明名称	Konnektor for å forbinde en produksjons-stigerörledning til et undersjöisk brönnhode
摘要
申请公布号	NO179494(C)	申请公布日期	1996.10.16
申请号	NO19900001156	申请日期	1990.03.13
申请人	VETCO GRAY INC	发明人	PALLINI JR., JOSEPH W.;BRAMMER, NORMAN;WALD, GLENN M.
分类号	E21B33/038;(IPC1-7):E21B33/038	主分类号	E21B33/038
代理机构		代理人
主权项
地址

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