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发明名称
Procédé de récupération maximum des bitumes liquides à partir de gisements souterrains
摘要
申请公布号
FR85487(E)
申请公布日期
1965.08.20
申请号
FR19640968143
申请日期
1964.03.20
申请人
DEUTSCHE ERDOL-AKTIENGESELLSCHAFT
发明人
分类号
E21B43/24
主分类号
E21B43/24
代理机构
代理人
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