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发明名称
Perfectionnements aux systèmes téléphoniques
摘要
申请公布号
FR1210986(A)
申请公布日期
1960.03.11
申请号
FRD1210986
申请日期
1958.09.22
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
VOGEL GEORG;RIEDEL HORST
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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