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发明名称
Электрический фильтр
摘要
申请公布号
SU89936(A1)
申请公布日期
1950.11.30
申请号
SU19500414214
申请日期
1950.03.15
申请人
VELIKIJ YA.I.;ZELYAKH E.V.
发明人
VELIKIJ YA.I.;ZELYAKH E.V.
分类号
H03H7/06
主分类号
H03H7/06
代理机构
代理人
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