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发明名称
BAND-PASS FILTER
摘要
申请公布号
SU1688309(A1)
申请公布日期
1991.10.30
申请号
SU19894749098
申请日期
1989.10.09
申请人
VNII "GRADIENT"
发明人
PETRENKO VASILIJ P,SU
分类号
H01P1/20
主分类号
H01P1/20
代理机构
代理人
主权项
地址
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