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发明名称
Einrichtung zur UEberwachung der Betriebsfaehigkeit wenigstens zweier Tonwahl- oder Tonrufgeneratoren
摘要
申请公布号
DE1059050(B)
申请公布日期
1959.06.11
申请号
DE1954S041022
申请日期
1954.09.27
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
WINKLER DR.-ING. FRANZ
分类号
H04M19/02
主分类号
H04M19/02
代理机构
代理人
主权项
地址
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