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发明名称
BIDIRECTIONAL VOICE FREQUENCY REPEATERS
摘要
申请公布号
AU514331(B2)
申请公布日期
1981.02.05
申请号
AU19770027816
申请日期
1977.08.11
申请人
WESTERN ELECTRIC CO. INC.,
发明人
R.B. BLAKE;J. GWATKIN;J.P. MAGEE;G.R. PORTER
分类号
H03F3/62;H03H11/36;H04B1/58;H04B3/03;(IPC1-7):H04B3/32;H04B3/38
主分类号
H03F3/62
代理机构
代理人
主权项
地址
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