Vorrichtung zum mechanischen Entkuppeln zweier Elemente eines Bohrgestaenges,申请号DE19681801229-传众专利搜索

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发明名称	Vorrichtung zum mechanischen Entkuppeln zweier Elemente eines Bohrgestaenges
摘要
申请公布号	DE1801229(A1)	申请公布日期	1969.04.30
申请号	DE19681801229	申请日期	1968.10.14
申请人	INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIANTS	发明人	TIRASPOLSKY,WLADIMIR;ROUVIERE,ROGER;REYNARD,REMY
分类号	E21B31/00;E21B17/06;E21B17/07	主分类号	E21B31/00
代理机构		代理人
主权项
地址

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