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发明名称
Vorrichtung zur Verhütung des Prellens von in die Ruhelage zurückfallenden Wählern in Fernsprechanlagen.
摘要
申请公布号
AT122411(B)
申请公布日期
1931.04.25
申请号
ATD122411
申请日期
1930.03.03
申请人
H. FULD & CO. TELEPHON- UND TELEGRAPHENWERKE AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
主权项
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