MANAGED PRESSURE CONDUIT ASSEMBLY SYSTEMS AND METHODS FOR EXTENDING OR USING PASSAGEWAY THROUGH SUBTERRANEAN STRATA,申请号CA20092752690-传众专利搜索

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发明名称	MANAGED PRESSURE CONDUIT ASSEMBLY SYSTEMS AND METHODS FOR EXTENDING OR USING PASSAGEWAY THROUGH SUBTERRANEAN STRATA
摘要
申请公布号	CA2752690(A1)	申请公布日期	2010.07.15
申请号	CA20092752690	申请日期	2009.12.18
申请人	TUNGET, BRUCE A.	发明人	TUNGET, BRUCE A.
分类号	E21B43/12	主分类号	E21B43/12
代理机构		代理人
主权项
地址

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