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经营范围
发明名称
Television scanner
摘要
申请公布号
US2153646(A)
申请公布日期
1939.04.11
申请号
US19350032768
申请日期
1935.07.23
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
SCHROTER FRITZ
分类号
H01J31/30;H01J31/50
主分类号
H01J31/30
代理机构
代理人
主权项
地址
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