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发明名称
Einrichtung und Verfahren zum Betrieb von Erdoel foerdernden Sonden
摘要
申请公布号
DE1107167(B)
申请公布日期
1961.05.25
申请号
DE1955K025303
申请日期
1955.03.24
申请人
DIPL.-ING. JOHANNES KRAUSE
发明人
KRAUSE DIPL.-ING. JOHANNES
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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