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发明名称
UTSTYR FOR FJERNSTYRT INNSETTING AV SEMENTERINGSPLUGGER IUNDERVANNSBORETE BROENNER.
摘要
申请公布号
NO910884(D0)
申请公布日期
1991.03.06
申请号
NO19910000884
申请日期
1991.03.06
申请人
PUMPTECH NV
发明人
BUISINE, PAUL;LAVAURE, GILBERT
分类号
E21B33/05;(IPC1-7):E21B/
主分类号
E21B33/05
代理机构
代理人
主权项
地址
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