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经营范围
发明名称
Selective circuit arrangement
摘要
申请公布号
US2101715(A)
申请公布日期
1937.12.07
申请号
US19340758558
申请日期
1934.12.21
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
KLOTZ ERNST;WILHELM KARL;ROOSENSTEIN HANS OTTO
分类号
H03J3/28;H04B15/06
主分类号
H03J3/28
代理机构
代理人
主权项
地址
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