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经营范围
发明名称
Vorrichtung zum Schoepfen, Probenehmen usw. von Fluessigkeiten, Gasen usw. aus tiefen Bohrloechern, Schaechten, Meeren usw.
摘要
申请公布号
DE489490(C)
申请公布日期
1930.01.21
申请号
DE1926H108086D
申请日期
1926.09.21
申请人
DR. PAUL HAERTL
发明人
分类号
E21B49/08;G01N1/12
主分类号
E21B49/08
代理机构
代理人
主权项
地址
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