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发明名称
Einrichtung zur Verhütung des Funkenbildens bei Zeigern von elektrischen Messinstrumenten.
摘要
申请公布号
CH139218(A)
申请公布日期
1930.04.15
申请号
CHD139218
申请日期
1929.03.28
申请人
HARTMANN & BRAUN AKTIEN-GESELLSCHAFT
发明人
AKTIEN-GESELLSCHAFT HARTMANN & BRAUN
分类号
主分类号
代理机构
代理人
主权项
地址
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