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发明名称
VERFAHREN ZUM ABDICHTEN VON FORMATIONEN GEGEN FILTRATVERLUSTE.
摘要
申请公布号
DE68904695(T2)
申请公布日期
1993.05.27
申请号
DE19896004695T
申请日期
1989.05.29
申请人
TOHO KAGAKU KOGYO CO. LTD., TOKIO/TOKYO, JP
发明人
HIHARA, TAKESHI, ZUSHI-SHI, KANAGAWA-KEN, JP;YANAGIYA, MASAHIDE;ONO, KAZUHITO, KANAGAWA-KEN, JP
分类号
E21B33/13;C09K8/12;C09K8/502;E21B21/00;E21B33/138;(IPC1-7):E21B33/138;C09K7/06
主分类号
E21B33/13
代理机构
代理人
主权项
地址
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