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发明名称
Improvements in or relating to electro-mechanical frequency filters
摘要
申请公布号
GB1014991(A)
申请公布日期
1965.12.31
申请号
GB19620035819
申请日期
1962.09.20
申请人
TELEFUNKEN PATENTVERWERTUNGS GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
发明人
分类号
H03H9/05;H03H9/50
主分类号
H03H9/05
代理机构
代理人
主权项
地址
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