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发明名称
Process for in situ retorting of oil shale
摘要
申请公布号
US3349848(A)
申请公布日期
1967.10.31
申请号
US19650504793
申请日期
1965.10.24
申请人
BURGH ERNEST E
发明人
BURGH ERNEST E.
分类号
E21B43/247;E21C41/24
主分类号
E21B43/247
代理机构
代理人
主权项
地址
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