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经营范围
发明名称
Improvements in or relating to television and like systems and apparatus
摘要
申请公布号
GB642956(A)
申请公布日期
1950.09.13
申请号
GB19470022653
申请日期
1947.08.14
申请人
THE RAULAND CORPORATION
发明人
分类号
H04N9/07
主分类号
H04N9/07
代理机构
代理人
主权项
地址
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