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发明名称
Verfahren zur Mehrfachuebertragung von Telegraphie- und Telephoniezeichen
摘要
申请公布号
DE893669(C)
申请公布日期
1953.10.19
申请号
DE1937P003656D
申请日期
1937.05.12
申请人
PUNGS LEO DR.-ING.
发明人
PUNGS LEO DR.-ING.
分类号
H04B14/08
主分类号
H04B14/08
代理机构
代理人
主权项
地址
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