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发明名称
Verfahren zur Herstellung einer flachen Gluehkasthode
摘要
申请公布号
DE904922(C)
申请公布日期
1954.02.25
申请号
DE1944S014905D
申请日期
1944.09.24
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
GEBHARDT DIPL.-ING. WOLFGANG
分类号
H01J9/04
主分类号
H01J9/04
代理机构
代理人
主权项
地址
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