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经营范围
发明名称
Improvements in or relating to Electrical Filter Arrangements
摘要
申请公布号
GB1159425(A)
申请公布日期
1969.07.23
申请号
GB19660050765
申请日期
1966.11.11
申请人
WARWICK ELECTRONICS INC.
发明人
分类号
H04N5/44;H04N5/63
主分类号
H04N5/44
代理机构
代理人
主权项
地址
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