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发明名称
Glødekatode til elektronrør og fremgangsmåde ved dens fremstilling.
摘要
申请公布号
DK68441(C)
申请公布日期
1949.01.24
申请号
DK19450000173
申请日期
1945.01.22
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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