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发明名称
SCHAUMMITTEL ZUR VERWENDUNG IN KOHLEFLÖZEN
摘要
申请公布号
DE60121423(T2)
申请公布日期
2007.02.15
申请号
DE20016021423T
申请日期
2001.02.19
申请人
SOFITECH N.V., UCCLE
发明人
ENGLAND, W.;BROWN, ERNEST;HINKEL, J.;REDDY, M.
分类号
E21B43/26;C09K8/70;C09K8/94;E21B43/25
主分类号
E21B43/26
代理机构
代理人
主权项
地址
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