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经营范围
发明名称
Procédé d'extraction sélective in situ de chlorure de magnésium hexzhydraté à partir de matériaux contenant du chlorure de magnésium hexahydraté, par exploitation minière en solution.
摘要
申请公布号
OA5476(A)
申请公布日期
1981.03.31
申请号
OA19760055977
申请日期
1976.11.06
申请人
BECHTEL INTERNATIONAL CORPORATION
发明人
分类号
E21B43/28;(IPC1-7):C01F
主分类号
E21B43/28
代理机构
代理人
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