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发明名称
摘要
申请公布号
JPS4419660(Y1)
申请公布日期
1969.08.22
申请号
JP19650000689U
申请日期
1965.01.06
申请人
发明人
分类号
H01J61/067;(IPC1-7):H01J61/067
主分类号
H01J61/067
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代理人
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