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发明名称
Elektronrör för höga frekvenser och sätt att framställa dylika rör.
摘要
申请公布号
SE100071(C1)
申请公布日期
1940.10.22
申请号
SE19400001001
申请日期
1940.03.12
申请人
发明人
分类号
H01J5/08
主分类号
H01J5/08
代理机构
代理人
主权项
地址
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