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发明名称
FLUID FOR RELEASING THE DRILLING OUTFIT ATTACHED BY STICKING UNDER THE ACTION OF A DIFFERETIAL PRESSURE FORCE
摘要
申请公布号
RO87840(B1)
申请公布日期
1985.12.02
申请号
RO19840113528
申请日期
1984.02.07
申请人
INSTITUTUL DE CERCETARI SI PROIECTARI PENTRU PETROL SI GAZE
发明人
ION ANA;POPESCU FILIP;SEICEANU HORATIU;OROSZ MIHAI;VASILE IOAN
分类号
C09K8/502;E21B31/00
主分类号
C09K8/502
代理机构
代理人
主权项
地址
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