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发明名称
摘要
申请公布号
CH587562(A5)
申请公布日期
1977.05.13
申请号
CH19750015320
申请日期
1975.11.26
申请人
INTERNATIONAL BUSINESS MACHINES CORP.
发明人
分类号
H01J3/04;H01J27/00;H01J27/14;H01J37/08;H05H7/08;(IPC1-7):H01J33/00
主分类号
H01J3/04
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