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经营范围
发明名称
Improvements in or relating to electric oscillation generating circuits
摘要
申请公布号
GB516581(A)
申请公布日期
1940.01.05
申请号
GB19380019228
申请日期
1938.06.29
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE, M.B.H.
发明人
分类号
H04N5/12
主分类号
H04N5/12
代理机构
代理人
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地址
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