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发明名称
Fremgangsmåte for pakking av en brönn
摘要
申请公布号
NO180499(B)
申请公布日期
1997.01.20
申请号
NO19900002581
申请日期
1990.06.11
申请人
PUMPTECH NV
发明人
MARTIN, JAMES WALTER;HUDSON, TOMMY EUGENE
分类号
C09K8/56;E21B43/04;(IPC1-7):E21B43/04
主分类号
C09K8/56
代理机构
代理人
主权项
地址
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