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发明名称
摘要
申请公布号
JPS5481280(U)
申请公布日期
1979.06.08
申请号
JP19770155357U
申请日期
1977.11.21
申请人
发明人
分类号
H01J35/12;(IPC1-7):H01J35/12
主分类号
H01J35/12
代理机构
代理人
主权项
地址
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