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发明名称
Improvements in carrier-wave communication systems
摘要
申请公布号
GB557452(A)
申请公布日期
1943.11.22
申请号
GB19420005158
申请日期
1942.04.17
申请人
SYLVESTER NEVILLE WATSON;THOMAS WORSWICK
发明人
分类号
H04J1/04
主分类号
H04J1/04
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代理人
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