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发明名称
Verfahren und Schaltungsanordnung zum Anlassen von Anrufsuchern
摘要
申请公布号
DE1029882(B)
申请公布日期
1958.05.14
申请号
DE1956S047873
申请日期
1956.03.09
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
GERKE DIPL.-ING. PETER
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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