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发明名称
Direct current amplifier and modulator therefor
摘要
申请公布号
US3014135(A)
申请公布日期
1961.12.19
申请号
US19570643782
申请日期
1957.03.04
申请人
HEWLETT-PACKARD COMPANY
发明人
HEWLETT WILLIAM R.;CAGE JOHN M.
分类号
H03F3/40
主分类号
H03F3/40
代理机构
代理人
主权项
地址
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