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经营范围
发明名称
Variable filter.
摘要
申请公布号
EP0665643(A3)
申请公布日期
1996.07.17
申请号
EP19950300334
申请日期
1995.01.19
申请人
LK-PRODUCTS OY
发明人
ERVASTI, KIMMO
分类号
H01P1/203;H01P1/213;H03H7/01;H03H7/09;H04B1/48;(IPC1-7):H03H7/01
主分类号
H01P1/203
代理机构
代理人
主权项
地址
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