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发明名称
Nachlassvorrichtung zum Betreiben des Bohrstranges eines an einer biegsamen Leitung aufgehaengten Bohrmotors
摘要
申请公布号
DE1167285(B)
申请公布日期
1964.04.09
申请号
DE1961J020280
申请日期
1961.07.24
申请人
INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIANTS
发明人
DELACOUR JACQUES;PAROLA JEAN
分类号
E21B19/22
主分类号
E21B19/22
代理机构
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