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经营范围
发明名称
Filter Arrangement
摘要
申请公布号
GB1187790(A)
申请公布日期
1970.04.15
申请号
GB19670055496
申请日期
1967.12.06
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
分类号
H01P1/209;H01P1/215;H03H7/01;H03H7/09
主分类号
H01P1/209
代理机构
代理人
主权项
地址
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