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发明名称
Vorrichtung zur Ein- und Ausflußmengenmessung an Bohrlöchern oder Sonden
摘要
申请公布号
AT292328(B)
申请公布日期
1971.08.25
申请号
AT19680009670
申请日期
1968.10.04
申请人
DR.-ING. MANFRED LORBACH
发明人
DR.-ING. MANFRED LORBACH
分类号
E21B21/08;(IPC1-7):G01V9/00
主分类号
E21B21/08
代理机构
代理人
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