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发明名称
Gas- oder dampfgefuelltes elektrisches Entladungsgefaess langer Lebensdauer mit heizbarer Oxydkathode aus Nickel und einem auf Nickel aufgetragenen Elektronen emittierenden UEberzug
摘要
申请公布号
DE1022699(B)
申请公布日期
1958.01.16
申请号
DE1956S048519
申请日期
1956.04.27
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
DR. RER. NAT. KARL LUDWIG RAU
分类号
H01J1/26;H01J17/06
主分类号
H01J1/26
代理机构
代理人
主权项
地址
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