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发明名称
Improvements in or relating to electro-mechanical wave filters
摘要
申请公布号
GB453748(A)
申请公布日期
1936.09.17
申请号
GB19360006415
申请日期
1936.03.03
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H03H9/48
主分类号
H03H9/48
代理机构
代理人
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地址
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