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经营范围
发明名称
Coded-sound, television receiver
摘要
申请公布号
US2551068(A)
申请公布日期
1951.05.01
申请号
US19480052909
申请日期
1948.10.05
申请人
ZENITH RADIO CORPORATION
发明人
STRIKER GEORGE O.
分类号
H04N7/167
主分类号
H04N7/167
代理机构
代理人
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地址
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