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发明名称
Signal amplifying system
摘要
申请公布号
US2598259(A)
申请公布日期
1952.05.27
申请号
US19480047810
申请日期
1948.09.04
申请人
HOGUE EPHRAIM W
发明人
HOGUE EPHRAIM W.
分类号
H03F1/36
主分类号
H03F1/36
代理机构
代理人
主权项
地址
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