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经营范围
发明名称
BAND PASS FILTER WITH TRAP
摘要
申请公布号
JPS5772475(U)
申请公布日期
1982.05.04
申请号
JP19800148258U
申请日期
1980.10.17
申请人
发明人
分类号
G09F9/00;G02F1/133;G02F1/1335;(IPC1-7):G09F9/00
主分类号
G09F9/00
代理机构
代理人
主权项
地址
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