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发明名称
Verfahren zum Foerdern von fluessigen Bitumina aus untertaegigen Lagerstaetten
摘要
申请公布号
DE1199718(B)
申请公布日期
1965.09.02
申请号
DE1961SC30108
申请日期
1961.08.08
申请人
DEUTSCHE ERDOEL-AKTIENGESELLSCHAFT
发明人
SCHLICHT DR.-ING. E. H. GUENTER;LANGE HANS
分类号
E21B43/20;E21B43/24
主分类号
E21B43/20
代理机构
代理人
主权项
地址
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