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发明名称
Transmission
摘要
申请公布号
US2202629(A)
申请公布日期
1940.05.28
申请号
US19360083643
申请日期
1936.06.05
申请人
RADIO CORPORATION
发明人
HANSELL CLARENCE W.
分类号
H04N1/409;H04N5/205
主分类号
H04N1/409
代理机构
代理人
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地址
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