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发明名称
Elektronenstrahlroehre mit kreisfoermiger Vorablenkung
摘要
申请公布号
DE914285(C)
申请公布日期
1954.06.28
申请号
DE1940S014885D
申请日期
1940.11.22
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
KLEIN PAUL EDUARD
分类号
H01J29/78
主分类号
H01J29/78
代理机构
代理人
主权项
地址
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