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经营范围
发明名称
Television method and apparatus
摘要
申请公布号
US1957101(A)
申请公布日期
1934.05.01
申请号
US19310550117
申请日期
1931.07.11
申请人
RADIO INVENTIONS, INC.
发明人
DONLE HAROLD P.
分类号
H04N3/04
主分类号
H04N3/04
代理机构
代理人
主权项
地址
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