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发明名称
Recovery of oil from oil sands and the like
摘要
申请公布号
US2907389(A)
申请公布日期
1959.10.06
申请号
US19560591778
申请日期
1956.06.18
申请人
PHILLIPS PETROLEUM COMPANY
发明人
HITZMAN DONALD O.
分类号
C09K8/58
主分类号
C09K8/58
代理机构
代理人
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