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发明名称
摘要
申请公布号
DE2011632(A1)
申请公布日期
1970.10.08
申请号
DE19702011632
申请日期
1970.03.11
申请人
发明人
分类号
H01J43/24;(IPC1-7):H01J43/24
主分类号
H01J43/24
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代理人
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