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发明名称
摘要
申请公布号
DE2146441(A1)
申请公布日期
1972.03.30
申请号
DE19712146441
申请日期
1971.09.16
申请人
INT STANDARD ELECTRIC CORP
发明人
分类号
H01J43/30;(IPC1-7):H01J31/50
主分类号
H01J43/30
代理机构
代理人
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