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发明名称
Gluehkathode fuer elektrische Entladungsroehren
摘要
申请公布号
DE889812(C)
申请公布日期
1953.09.14
申请号
DE1941T002838D
申请日期
1941.03.14
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
HERRMANN GUENTHER DR.
分类号
H01J1/14
主分类号
H01J1/14
代理机构
代理人
主权项
地址
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