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发明名称
FILTER
摘要
申请公布号
GB1246259(A)
申请公布日期
1971.09.15
申请号
GB19700011788
申请日期
1970.03.11
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
分类号
H03H15/00;H03H17/04
主分类号
H03H15/00
代理机构
代理人
主权项
地址
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