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发明名称
Vacuum tube generator system
摘要
申请公布号
US2006440(A)
申请公布日期
1935.07.02
申请号
US19300423308
申请日期
1930.01.25
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
CHIREIX HENRI
分类号
H03C1/20;H04L27/12
主分类号
H03C1/20
代理机构
代理人
主权项
地址
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