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发明名称
Частотно-избирательное устройство для RC-генератора или RC-усилителя
摘要
申请公布号
SU97278(A1)
申请公布日期
1953.11.30
申请号
SU19530446940
申请日期
1953.09.18
申请人
RIZKIN A.A.
发明人
RIZKIN A.A.
分类号
H03H7/06;H03B5/22;H03F1/34
主分类号
H03H7/06
代理机构
代理人
主权项
地址
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