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发明名称
摘要
申请公布号
JPS5719811(Y2)
申请公布日期
1982.04.27
申请号
JP19760159862U
申请日期
1976.11.30
申请人
发明人
分类号
H01J29/04;H01J1/15;H01J1/20;H01J1/22;H01J1/28;H01J3/02;H01J29/48;(IPC1-7):H01J1/15
主分类号
H01J29/04
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代理人
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地址
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