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发明名称
METHOD FOR INFLUENCING VARIABLE MAGNITUDE OF AN ELECTRIC SIGNAL WITH VARIABLE AMPLITUDE, FAVOURABLY OF VOLTAGE AS WELL AS AMPLIFIER OF VARIABLE GAIN, FAVOURABLE INTERMEDIATE-FREQUENCY AMPLIFIER
摘要
申请公布号
HUT53742(A)
申请公布日期
1990.11.28
申请号
HU19890002161
申请日期
1989.05.04
申请人
发明人
分类号
G05F1/44;H03F1/34;(IPC1-7):H03F1/34
主分类号
G05F1/44
代理机构
代理人
主权项
地址
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