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发明名称
Improvements in electrical waveguide filters
摘要
申请公布号
GB766641(A)
申请公布日期
1957.01.23
申请号
GB19530022489
申请日期
1953.08.14
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
LEWIN LEONARD
分类号
H01P1/208
主分类号
H01P1/208
代理机构
代理人
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