CONNECTION ASSEMBLY FOR DRILL COLLARS OR HEAVY DRILL PIPES,申请号EP20060841839-传众专利搜索

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发明名称	CONNECTION ASSEMBLY FOR DRILL COLLARS OR HEAVY DRILL PIPES
摘要
申请公布号	EP1957850(A1)	申请公布日期	2008.08.20
申请号	EP20060841839	申请日期	2006.12.01
申请人	KESSLER, FRANCOIS	发明人	KESSLER, FRANCOIS
分类号	F16L15/06	主分类号	F16L15/06
代理机构		代理人
主权项
地址

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