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发明名称
摘要
申请公布号
JPS4411146(Y1)
申请公布日期
1969.05.08
申请号
JP19650070106U
申请日期
1965.08.26
申请人
发明人
分类号
H01J29/48;H01J29/02;(IPC1-7):H01J29/02
主分类号
H01J29/48
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代理人
主权项
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