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经营范围
发明名称
Improvements in and relating to television and the like transmission systems
摘要
申请公布号
GB427901(A)
申请公布日期
1935.05.02
申请号
GB19330030625
申请日期
1933.11.03
申请人
ELECTRIC & MUSICAL INDUSTRIES LIMITED;WILLIAM SPENCER PERCIVAL
发明人
分类号
H03K4/43
主分类号
H03K4/43
代理机构
代理人
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