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发明名称
Verfahren zur Herstellung eines Bohrfluessigkeitszusatzes, insbesondere fuer Tiefbohrungen
摘要
申请公布号
DE956212(C)
申请公布日期
1957.01.17
申请号
DE1953C008048
申请日期
1953.08.18
申请人
COLUMBIA-SOUTHERN CHEMICAL CORPORATION
发明人
RAHN HENRY WILFORD
分类号
C09K8/20
主分类号
C09K8/20
代理机构
代理人
主权项
地址
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