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发明名称
Improvements in or relating to travelling wave tubes
摘要
申请公布号
GB736944(A)
申请公布日期
1955.09.14
申请号
GB19530032914
申请日期
1953.11.26
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
分类号
H01J25/42
主分类号
H01J25/42
代理机构
代理人
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地址
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