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经营范围
发明名称
Transformerless transistorized power amplifier
摘要
申请公布号
US3018445(A)
申请公布日期
1962.01.23
申请号
US19590845775
申请日期
1959.10.12
申请人
THE FRANKLIN INSTITUTE OF THE STATE OF PENNSYLVANIA
发明人
IV JOHN STONE
分类号
H03F3/30
主分类号
H03F3/30
代理机构
代理人
主权项
地址
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