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发明名称
Picture broadcasting system
摘要
申请公布号
US2175388(A)
申请公布日期
1939.10.10
申请号
US19360117938
申请日期
1936.12.28
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
GURLEY ROGER KNIGHT
分类号
H04N5/782
主分类号
H04N5/782
代理机构
代理人
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