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经营范围
发明名称
Improvements in or relating to very short wave mixing circuit arrangements
摘要
申请公布号
GB714402(A)
申请公布日期
1954.08.25
申请号
GB19520030264
申请日期
1952.11.28
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
分类号
H03D7/02
主分类号
H03D7/02
代理机构
代理人
主权项
地址
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