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经营范围
发明名称
R. f. amplifier
摘要
申请公布号
US2934711(A)
申请公布日期
1960.04.26
申请号
US19570661542
申请日期
1957.05.24
申请人
COLLINS RADIO COMPANY
发明人
DAWSON SYLVAN L.
分类号
H03F3/52
主分类号
H03F3/52
代理机构
代理人
主权项
地址
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