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发明名称
VORRICHTUNG ZUR AUFNAHME VON NOTRUFNUMMERN FUER SELBSTWAEHLFERNSPRECHER.
摘要
申请公布号
DE1813150(U)
申请公布日期
1960.06.15
申请号
DE196000K4916U
申请日期
1960.04.11
申请人
LUDWIG KRABBE
发明人
LUDWIG KRABBE
分类号
主分类号
代理机构
代理人
主权项
地址
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