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发明名称
Television system
摘要
申请公布号
US1773980(A)
申请公布日期
1930.08.26
申请号
US19270159540
申请日期
1927.01.07
申请人
TELEVISION LABORATORIES, INC.
发明人
FARNSWORTH PHILO T.
分类号
H01J31/42;H04N5/04
主分类号
H01J31/42
代理机构
代理人
主权项
地址
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