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发明名称
Process for thermally working oil shale
摘要
申请公布号
US2688464(A)
申请公布日期
1954.09.07
申请号
US19490132209
申请日期
1949.12.09
申请人
SOCONY-VACUUM OIL COMPANY, INCORPORATED
发明人
PAYNE JOHN W.
分类号
E21B7/14
主分类号
E21B7/14
代理机构
代理人
主权项
地址
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