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发明名称
摘要
申请公布号
JPS4410448(Y1)
申请公布日期
1969.04.26
申请号
JP19650096229U
申请日期
1965.11.26
申请人
发明人
分类号
H01J17/48;H01J17/49
主分类号
H01J17/48
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代理人
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