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发明名称
DISPERGERBARE HYDROFILE POLYMERPREPARATER FOR ANVENDELSE VED FORTYKNING AV TUNGE SALTVANNSOPPLOESNINGER.
摘要
申请公布号
NO872423(A)
申请公布日期
1988.04.15
申请号
NO19870002423
申请日期
1987.06.10
申请人
NL PETROLEUM SERVICES
发明人
HOFF MICHAEL H
分类号
C08L1/28;C09K8/10;C09K8/90;(IPC1-7):E21B43/00
主分类号
C08L1/28
代理机构
代理人
主权项
地址
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