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发明名称
Amplifier gain control circuit
摘要
申请公布号
US2250559(A)
申请公布日期
1941.07.29
申请号
US19380221750
申请日期
1938.07.28
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
WEBER HEINRICH
分类号
H03G7/02
主分类号
H03G7/02
代理机构
代理人
主权项
地址
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