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经营范围
发明名称
Improvements in or relating to television systems
摘要
申请公布号
GB525629(A)
申请公布日期
1940.09.02
申请号
GB19390006124
申请日期
1939.02.24
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE, M.B.H.
发明人
分类号
H04N5/52
主分类号
H04N5/52
代理机构
代理人
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