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发明名称
Improvements in or relating to high-frequency band-pass filters
摘要
申请公布号
GB691333(A)
申请公布日期
1953.05.13
申请号
GB19500028156
申请日期
1950.11.17
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
H01F21/06;H03H7/01
主分类号
H01F21/06
代理机构
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