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经营范围
发明名称
Improvements in television systems
摘要
申请公布号
GB545411(A)
申请公布日期
1942.05.26
申请号
GB19400009841
申请日期
1940.06.05
申请人
HAZELTINE CORPORATION
发明人
分类号
H04N5/10
主分类号
H04N5/10
代理机构
代理人
主权项
地址
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