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发明名称
Vorrichtung zum Messen von Wechselstroemen unter Benutzung eines Gleichstrominstrumentes
摘要
申请公布号
DE634184(C)
申请公布日期
1936.08.26
申请号
DE1927G071611D
申请日期
1927.11.01
申请人
DR. HEINRICH GEFFCKEN;DR. HANS RICHTER
发明人
分类号
G01R19/22
主分类号
G01R19/22
代理机构
代理人
主权项
地址
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