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经营范围
发明名称
Improvements in or relating to negative impedance converters
摘要
申请公布号
GB1013290(A)
申请公布日期
1965.12.15
申请号
GB19640043473
申请日期
1964.10.26
申请人
TELEFUNKEN PATENTVERWERTUNGSGESELLSCHAFT M.B.H.
发明人
分类号
H03H11/44;H04B3/16
主分类号
H03H11/44
代理机构
代理人
主权项
地址
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