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经营范围
发明名称
Transistorized amplifier
摘要
申请公布号
US3105199(A)
申请公布日期
1963.09.24
申请号
US19590818397
申请日期
1959.06.05
申请人
BULOVA RESEARCH AND DEVELOPMENT LABORATORIES, INC.
发明人
HELLER OSCAR
分类号
H03F1/34
主分类号
H03F1/34
代理机构
代理人
主权项
地址
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