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发明名称
摘要
申请公布号
JPS4710379(U)
申请公布日期
1972.10.06
申请号
JP19710010711U
申请日期
1971.02.23
申请人
发明人
分类号
H01J61/36;H01K1/44;(IPC1-7):H01K1/44
主分类号
H01J61/36
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代理人
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