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发明名称
VERFAHREN ZUM BAU EINER GRUNDWASSERMESSSTELLE UND VORRICHTUNG ZUR DURCHFUEHRUNG DES VERFAHRENS
摘要
申请公布号
DE3841316(A1)
申请公布日期
1990.06.28
申请号
DE19883841316
申请日期
1988.12.08
申请人
PREUSSAG AG, 3000 HANNOVER, DE
发明人
ROHDE, HELMUT, 2000 TANGSTEDT, DE
分类号
E21B33/14
主分类号
E21B33/14
代理机构
代理人
主权项
地址
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