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发明名称
PIT AND RELATED COVERED FILTER TUBE
摘要
申请公布号
EP2286037(A1)
申请公布日期
2011.02.23
申请号
EP20090724951
申请日期
2009.03.23
申请人
VISSER & SMIT HANAB BV
发明人
SCHOENMAKERS, LUKAS
分类号
E21B43/08;E03B3/26;E21B43/04
主分类号
E21B43/08
代理机构
代理人
主权项
地址
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