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发明名称
ELECTRON BEAM EMITTING DEVICE
摘要
申请公布号
JPH1164600(A)
申请公布日期
1999.03.05
申请号
JP19970229423
申请日期
1997.08.26
申请人
SUMITOMO HEAVY IND LTD
发明人
SUEZAWA HIROKI
分类号
G21K5/04;H01J33/00;(IPC1-7):G21K5/04
主分类号
G21K5/04
代理机构
代理人
主权项
地址
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