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发明名称
Steuerbare Hochvakuum-Elektronenröhre
摘要
申请公布号
AT276577(B)
申请公布日期
1969.11.25
申请号
AT19680000019
申请日期
1968.01.02
申请人
PATELHOLD PATENTVERWERTUNGS- U. ELEKTRO-HOLDING AG.
发明人
分类号
H01J21/02;H01J21/18;(IPC1-7):H01J29/00
主分类号
H01J21/02
代理机构
代理人
主权项
地址
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