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经营范围
发明名称
Improvements in or relating to television transmitting cathode ray tubes
摘要
申请公布号
GB529410(A)
申请公布日期
1940.11.20
申请号
GB19390015964
申请日期
1939.05.30
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED
发明人
分类号
H01J31/26;H01J31/34
主分类号
H01J31/26
代理机构
代理人
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地址
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