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发明名称
DEVICE FOR SYMBOLIC DISPLAY OF RADIO AND TELEGRAPH SIGNALS
摘要
申请公布号
PL111530(B1)
申请公布日期
1980.09.30
申请号
PL19770200513
申请日期
1977.08.27
申请人
发明人
分类号
G06K;H04L;H04L21/00;(IPC1-7):G06K15/20
主分类号
G06K
代理机构
代理人
主权项
地址
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