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经营范围
发明名称
Carrier frequency d.c. amplifier
摘要
申请公布号
US2888523(A)
申请公布日期
1959.05.26
申请号
US19540473794
申请日期
1954.12.08
申请人
WHITE-RODGERS COMPANY
发明人
ROSS DONALD KENNETH
分类号
H03F3/40;H03K3/40
主分类号
H03F3/40
代理机构
代理人
主权项
地址
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