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发明名称
摘要
申请公布号
JPS4424899(Y1)
申请公布日期
1969.10.20
申请号
JP19650100675U
申请日期
1965.12.11
申请人
发明人
分类号
H01J9/16;(IPC1-7):H01J9/16
主分类号
H01J9/16
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