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经营范围
发明名称
Improvements in or relating to television apparatus
摘要
申请公布号
GB424763(A)
申请公布日期
1935.02.28
申请号
GB19330015753
申请日期
1933.05.31
申请人
HANS KNUDSEN
发明人
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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