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经营范围
发明名称
摘要
申请公布号
JPS5841643(Y2)
申请公布日期
1983.09.20
申请号
JP19800099852U
申请日期
1980.07.15
申请人
发明人
分类号
H01J61/52;H01J61/54;H01J61/56;H01J61/82;(IPC1-7):H01J61/52
主分类号
H01J61/52
代理机构
代理人
主权项
地址
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