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发明名称
SISTEMA DI SEGRETERIA TELEFONICA CON ELABORAZIONE DISTRIBUITA.
摘要
申请公布号
IT8423105(D0)
申请公布日期
1984.10.11
申请号
IT19840023105
申请日期
1984.10.11
申请人
GTE COMMUNICATION SYSTEMS CORP.
发明人
LOUIS W. SMITH;JANOS CSAPO
分类号
H04M3/51;(IPC1-7):H04M/
主分类号
H04M3/51
代理机构
代理人
主权项
地址
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