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经营范围
发明名称
Oscillator
摘要
申请公布号
US2196825(A)
申请公布日期
1940.04.09
申请号
US19380199431
申请日期
1938.04.01
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
GEIGER MAX
分类号
H04N5/12
主分类号
H04N5/12
代理机构
代理人
主权项
地址
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