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发明名称
Tauchkolben zum Foerdern von Erdoel und Fluessigkeiten aus Bohrloechern
摘要
申请公布号
DE1233802(B)
申请公布日期
1967.02.09
申请号
DE1961O007862
申请日期
1961.02.09
申请人
ORSZAGOS KOEOLAJ I¬ ES GAZIPARI TROESZT
发明人
FEKETE DIPL.-ING. IMRE;HORNYOS DIPL.-ING. JANOS
分类号
E21B43/12
主分类号
E21B43/12
代理机构
代理人
主权项
地址
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