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发明名称
Dispositif d'appel sélectif dans une installation de télécommunication
摘要
申请公布号
CH333747(A)
申请公布日期
1958.10.31
申请号
CHD333747
申请日期
1955.11.03
申请人
STANDARD TELEPHONE ET RADIO S. A.
发明人
DUCAMP,ANDRE;HERTOG,MARTINUS DEN
分类号
H04W88/02
主分类号
H04W88/02
代理机构
代理人
主权项
地址
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