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发明名称
Perfectionnements aux centraux téléphoniques privés
摘要
申请公布号
FR1476202(A)
申请公布日期
1967.04.07
申请号
FR19660057788
申请日期
1966.04.15
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
ODEN HOECKLEY;SIEGEL HERBERT
分类号
H04Q3/62
主分类号
H04Q3/62
代理机构
代理人
主权项
地址
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