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发明名称
Velocity modulation tubes
摘要
申请公布号
US2972701(A)
申请公布日期
1961.02.21
申请号
US19590829174
申请日期
1959.07.06
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
LERBS ALFRED
分类号
H01J25/10
主分类号
H01J25/10
代理机构
代理人
主权项
地址
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