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发明名称
Scanning means and method
摘要
申请公布号
US2280572(A)
申请公布日期
1942.04.21
申请号
US19340751449
申请日期
1934.11.05
申请人
FARNSWORTH TELEVISION & RADIO CORPORATION
发明人
FARNSWORTH PHILO T.
分类号
H04N3/34
主分类号
H04N3/34
代理机构
代理人
主权项
地址
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