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发明名称
SYSTEM FOR PROEVETAKING AV FLUIDER UNDER JORDOVERFLATEN
摘要
申请公布号
NO924318(A)
申请公布日期
1992.12.23
申请号
NO19920004318
申请日期
1992.11.10
申请人
QED ENVIRONMENTAL SYSTEMS INC
发明人
CORDRY, KENT E.;NIEHAUS, LYNNE K.;MIODUSZEWSKI, DAVID
分类号
E21B;E21B49/08;(IPC1-7):E21B49/08
主分类号
E21B
代理机构
代理人
主权项
地址
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