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发明名称
VARIABLE BAND FILTER
摘要
申请公布号
JPS6430318(A)
申请公布日期
1989.02.01
申请号
JP19870184697
申请日期
1987.07.25
申请人
NEC CORP
发明人
ICHIYOSHI OSAMU
分类号
H03H11/04;H03H19/00
主分类号
H03H11/04
代理机构
代理人
主权项
地址
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