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发明名称
摘要
申请公布号
JPS4211814(Y1)
申请公布日期
1967.07.03
申请号
JP19650019802U
申请日期
1965.03.15
申请人
发明人
分类号
H01J35/12;H01J7/24;(IPC1-7):H01J35/12
主分类号
H01J35/12
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代理人
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