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经营范围
发明名称
Einrichtung zum Pumpen fuendiger Erdoelsonden
摘要
申请公布号
DE1033154(B)
申请公布日期
1958.07.03
申请号
DE1957ST13090
申请日期
1957.10.25
申请人
WERNER STINDT
发明人
STINDT WERNER
分类号
E21B43/24
主分类号
E21B43/24
代理机构
代理人
主权项
地址
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