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发明名称
Einrichtung zum Regeln von elektrischen Spannungen oder Stroemen mittels eines aus Kohlenscheiben zusammengesetzten Widerstandes
摘要
申请公布号
DE672306(C)
申请公布日期
1939.03.01
申请号
DE1933A071851D
申请日期
1933.11.19
申请人
DIPL.-ING. EUGEN AUMUELLER
发明人
分类号
G05F1/644
主分类号
G05F1/644
代理机构
代理人
主权项
地址
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