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发明名称
摘要
申请公布号
JPS5591054(U)
申请公布日期
1980.06.24
申请号
JP19780178018U
申请日期
1978.12.19
申请人
发明人
分类号
H01J29/76;(IPC1-7):H01J29/76
主分类号
H01J29/76
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代理人
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地址
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