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发明名称
摘要
申请公布号
JPS5623260(B2)
申请公布日期
1981.05.29
申请号
JP19730133443
申请日期
1973.11.30
申请人
发明人
分类号
H01J9/18;H01J9/04;H01J61/00
主分类号
H01J9/18
代理机构
代理人
主权项
地址
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