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经营范围
发明名称
Improvements in or relating to lamps for use in television and like systems
摘要
申请公布号
GB352105(A)
申请公布日期
1931.07.09
申请号
GB19300011354
申请日期
1930.04.09
申请人
THE GRAMOPHONE COMPANY LIMITED;RAYMOND BAINBRIDGE MORGAN
发明人
分类号
H01J61/72
主分类号
H01J61/72
代理机构
代理人
主权项
地址
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