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经营范围
发明名称
ceramic band-pass filter
摘要
申请公布号
EP0401839(B1)
申请公布日期
1997.01.22
申请号
EP19900110834
申请日期
1990.06.07
申请人
LK-PRODUCTS OY
发明人
TURUNEN, AIMO;NAEPPAE, PAULI
分类号
H01P1/205;H01P1/213;(IPC1-7):H01P1/205
主分类号
H01P1/205
代理机构
代理人
主权项
地址
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