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发明名称
Electrooptical system
摘要
申请公布号
US2031728(A)
申请公布日期
1936.02.25
申请号
US19330686306
申请日期
1933.08.22
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
NYQUIST HARRY
分类号
H04N5/16
主分类号
H04N5/16
代理机构
代理人
主权项
地址
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