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发明名称
Electrooptical system
摘要
申请公布号
US2031598(A)
申请公布日期
1936.02.25
申请号
US19300505069
申请日期
1930.12.27
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
GRAY FRANK
分类号
H04N7/06
主分类号
H04N7/06
代理机构
代理人
主权项
地址
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