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经营范围
发明名称
Improvements in magnetrons
摘要
申请公布号
GB637455(A)
申请公布日期
1950.05.17
申请号
GB19470015219
申请日期
1947.06.10
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
分类号
H01J25/56
主分类号
H01J25/56
代理机构
代理人
主权项
地址
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