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发明名称
PERIODIC MAGNETIC FIELD CONVERGING TRAVELING WAVE TUBE
摘要
申请公布号
JPH09274865(A)
申请公布日期
1997.10.21
申请号
JP19960083961
申请日期
1996.04.05
申请人
NEC CORP
发明人
NAKAZATO YOSHIO
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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