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发明名称
Vorrichtung zur Lieferung eines Arbeitsfluids unter einem bestimmten Druck
摘要
申请公布号
DE2221654(A1)
申请公布日期
1972.11.30
申请号
DE19722221654
申请日期
1972.05.03
申请人
INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIANTS
发明人
CASTELA,ANDRE;JOUBERT,PHILIPPE
分类号
E21B15/02;E21B19/09;F15B1/02;F15B11/02
主分类号
E21B15/02
代理机构
代理人
主权项
地址
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