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发明名称
Kathode für elektrische Entladungsgefässe
摘要
申请公布号
CH315203(A)
申请公布日期
1956.07.31
申请号
CHD315203
申请日期
1953.02.14
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
NAT. KATZ,HELMUT,DR. PHIL.;COSTA,SIEGFRIED
分类号
H01J1/28
主分类号
H01J1/28
代理机构
代理人
主权项
地址
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