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发明名称
Vorrichtung zum Vermessen der Orientierung von Bohrlöchern und Schlitzen im Baugrund
摘要
申请公布号
DE4302469(C2)
申请公布日期
1995.03.30
申请号
DE19934302469
申请日期
1993.01.29
申请人
BILFINGER + BERGER BAUAKTIENGESELLSCHAFT, 68165 MANNHEIM, DE
发明人
GROSS, HANS-WALTER, DIPL.-ING., 6737 BOEHL-IGGELHEIM, DE
分类号
E21B47/022;(IPC1-7):E21B47/022;E21B47/00;G01C9/02;E21B47/02
主分类号
E21B47/022
代理机构
代理人
主权项
地址
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