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发明名称
Selective exploitation head
摘要
申请公布号
PL215242(B1)
申请公布日期
2013.11.29
申请号
PL20080385896
申请日期
2008.08.18
申请人
PRZEDSIEBIORSTWO USLUG TECHNICZNYCH NAFTA-GAZ-SERWIS SPOLKA AKCYJNA
发明人
KOSZTOLOWICZ JANUSZ;MALEK EUGENIUSZ
分类号
E21B33/03;E21B34/02
主分类号
E21B33/03
代理机构
代理人
主权项
地址
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