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发明名称
Improvements in or relating to modulated carrier wave communication systems
摘要
申请公布号
GB536351(A)
申请公布日期
1941.05.12
申请号
GB19400003451
申请日期
1940.02.23
申请人
SIEMENS BROTHERS & CO. LIMITED;MORRIS REED
发明人
分类号
H04J1/14
主分类号
H04J1/14
代理机构
代理人
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