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发明名称
MONTAGE POUR UNE INSTALLATION TELEPHONIQUE, ET NOTAMMENT UNE INSTALLATION AUTOMATIQUE PRIVEE AVEC POSTES STANDARDS SUPPLEMENTAIRES, PERMETTANTLE TRANSFERT, A D'AUTRES POSTES DESTINATAIRES, D'APPELS ARRIVANT A DES STANDARDS
摘要
申请公布号
BE775572(A1)
申请公布日期
1972.05.19
申请号
BE19710775572
申请日期
1971.11.19
申请人
SIEMENS A.G., A BERLIN ET A MUNICH, (ALLEMAGNE),
发明人
分类号
H04M3/60;(IPC1-7):H04M/
主分类号
H04M3/60
代理机构
代理人
主权项
地址
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