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发明名称
Schaltungsanordnung fuer Fernsprechnebenstellenanlagen, in denen beliebige Sprechstellen mit Fernsehtelefoneinrichtungen ausgeruestet sind
摘要
申请公布号
DE1298577(B)
申请公布日期
1969.07.03
申请号
DE196701S9616
申请日期
1967.04.28
申请人
SIEMENS AG
发明人
SIEGFRIED SCHOEN,
分类号
H04N7/14;H04Q3/62
主分类号
H04N7/14
代理机构
代理人
主权项
地址
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