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发明名称
MAGNETIC FIELD SUPERIMPOSING TYPE SUPERCONDUCTIVE ELECTRIC FIELD RADIATING ELECTRON GUN
摘要
申请公布号
JPS6452368(A)
申请公布日期
1989.02.28
申请号
JP19870208111
申请日期
1987.08.24
申请人
HITACHI LTD
发明人
HASEGAWA SHUJI;ENDO JUNJI;KAWASAKI TAKESHI
分类号
H01J37/073;H01J37/141
主分类号
H01J37/073
代理机构
代理人
主权项
地址
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