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经营范围
发明名称
Schaltung zur Bestimmung des Frequenzverhaltens.
摘要
申请公布号
DE3787154(D1)
申请公布日期
1993.09.30
申请号
DE19873787154
申请日期
1987.11.10
申请人
SCHLUMBERGER TECHNOLOGIES GMBH, 8000 MUENCHEN, DE
发明人
SCHUTZ, JOHANN, D-8000 MUNCHEN 22, DE
分类号
G01R23/16;G01R27/28;(IPC1-7):G01R23/16
主分类号
G01R23/16
代理机构
代理人
主权项
地址
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