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发明名称
Automatischer Stationsmelder mit optischer und akustischer Signaleinrichtung.
摘要
申请公布号
AT116124(B)
申请公布日期
1930.02.10
申请号
ATD116124
申请日期
1929.03.04
申请人
FRITZ EPPEL JUN.
发明人
FRITZ EPPEL JUN.
分类号
主分类号
代理机构
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