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经营范围
发明名称
Improvements in or relating to radio transmitters and the like
摘要
申请公布号
GB307310(A)
申请公布日期
1930.03.20
申请号
GB19290007035
申请日期
1929.03.04
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
分类号
H03F3/22
主分类号
H03F3/22
代理机构
代理人
主权项
地址
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