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发明名称
Improvements in or relating to electron tubes of the crossed-fields type
摘要
申请公布号
GB762023(A)
申请公布日期
1956.11.21
申请号
GB19540014112
申请日期
1954.05.13
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
分类号
H01J19/00;H01J25/44
主分类号
H01J19/00
代理机构
代理人
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