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经营范围
发明名称
High frequency electrical apparatus
摘要
申请公布号
GB644853(A)
申请公布日期
1950.10.18
申请号
GB19460017694
申请日期
1946.06.13
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
H01J25/587
主分类号
H01J25/587
代理机构
代理人
主权项
地址
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