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经营范围
发明名称
Verstaerkerroehre mit sekundaeremissionsfaehiger Anode
摘要
申请公布号
DE901323(C)
申请公布日期
1954.01.11
申请号
DE1940S017147D
申请日期
1940.06.08
申请人
SUEDDEUTSCHE TELEFON-APPARATE-, KABEL- UND DRAHTWERKE A.G.
发明人
FINKE DR. WERNER
分类号
H01J43/02
主分类号
H01J43/02
代理机构
代理人
主权项
地址
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