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发明名称
摘要
申请公布号
JPS5238196(B2)
申请公布日期
1977.09.27
申请号
JP19730016457
申请日期
1973.02.12
申请人
发明人
分类号
H01J3/04;H01J27/00;H05H7/08
主分类号
H01J3/04
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代理人
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