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经营范围
发明名称
Improvements in television
摘要
申请公布号
GB552582(A)
申请公布日期
1943.04.15
申请号
GB19410008774
申请日期
1941.07.11
申请人
JOHN LOGIE BAIRD
发明人
分类号
G03B35/20
主分类号
G03B35/20
代理机构
代理人
主权项
地址
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