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发明名称
Picture telegraphy
摘要
申请公布号
US1759594(A)
申请公布日期
1930.05.20
申请号
US19270190467
申请日期
1927.05.11
申请人
RADIO CORPORATION
发明人
ROUND HENRY JOSEPH
分类号
H04N3/12
主分类号
H04N3/12
代理机构
代理人
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