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发明名称
Propp og fremgangsmate for a trekke en propp ut av et sete.
摘要
Fremgangsmåte for å trekke en propp ut av et sete, som omfatter å oppløse minst en overflate av en propp innsatt mot setet, og å fjerne proppen fra setet.
申请公布号
NO20130496(A1)
申请公布日期
2013.05.03
申请号
NO20130000496
申请日期
2013.04.12
申请人
BAKER HUGHES INC
发明人
JOHNSON MICHAEL H;XU ZHIYUE
分类号
E21B33/12;E21B34/14
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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