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发明名称
Signaleinrichtung, insbesondere Personenrufeinrichtung
摘要
申请公布号
DE898718(C)
申请公布日期
1953.12.03
申请号
DE1951S024108
申请日期
1951.07.25
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
STARCK LEON
分类号
G08B3/10
主分类号
G08B3/10
代理机构
代理人
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