Thrust transmitting element for driving pipes,申请号EP20030090362-传众专利搜索

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发明名称	Thrust transmitting element for driving pipes
摘要
申请公布号	EP1413708(B1)	申请公布日期	2010.03.03
申请号	EP20030090362	申请日期	2003.10.22
申请人	STEIN & PARTNER GMBH	发明人	KOERKEMEYER, KARSTEN, DR.-ING.;STEIN, DIETRICH, PROF. DR.-ING.
分类号	E21B7/04;E21D9/04;E21B7/20;E21B17/08;E21D9/06	主分类号	E21B7/04
代理机构		代理人
主权项
地址

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