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发明名称
PERIODIC PERMANENT-MAGNET FOCUSING SYSTEM FOR A TRAVELLING-WAVE TUBE
摘要
申请公布号
EP0115042(B1)
申请公布日期
1987.08.19
申请号
EP19830112932
申请日期
1983.12.21
申请人
SIEMENS AKTIENGESELLSCHAFT BERLIN UND MUNCHEN
发明人
WOLFRAM, ROLAND, DIPL.-PHYS. DR.-TECHN.
分类号
H01J23/087;(IPC1-7):H01J23/087
主分类号
H01J23/087
代理机构
代理人
主权项
地址
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