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发明名称
Système à commande par jet fluide pour la manoeuvre de vannes notamment des vannesd'une tête de puits pétrolier
摘要
申请公布号
FR1535449(A)
申请公布日期
1968.08.09
申请号
FR19660062989
申请日期
1966.05.25
申请人
INSTITUT FRANCAIS DU PETROLE, DES CARBURANTS & LUBRIFIANTS
发明人
DELACOUR JACQUES;MOULIN PIERRE
分类号
E21B34/04;E21B34/16;F15C1/00;F24B15/00
主分类号
E21B34/04
代理机构
代理人
主权项
地址
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