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发明名称
Verfahren zur Herstellung von mittelbar zu heizenden Kathoden für elektrische Entladungsgefäße.
摘要
申请公布号
AT147317(B)
申请公布日期
1936.10.26
申请号
ATD147317
申请日期
1935.03.22
申请人
ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT
发明人
DR. ING. ERICH WIEGAND;JOSEF LEHMANN
分类号
主分类号
代理机构
代理人
主权项
地址
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