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发明名称
Einrichtung zur Bestimmung von kleinen Widerstandsaenderungen mit einer Wheatstoneschen Brueckenschaltung und einem Kreuzspulinstrument
摘要
申请公布号
DE520004(C)
申请公布日期
1931.03.26
申请号
DE1927S081023D
申请日期
1927.08.04
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
GRUESS DR. HEINZ
分类号
G01R17/10
主分类号
G01R17/10
代理机构
代理人
主权项
地址
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