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发明名称
摘要
申请公布号
DE3327497(C2)
申请公布日期
1987.03.12
申请号
DE19833327497
申请日期
1983.07.29
申请人
HITACHI, LTD., TOKIO/TOKYO, JP
发明人
TODOKORO, HIDEO, TOKIO/TOKYO, JP;FUKUHARA, SATORU, KOKUBUNJI, JP
分类号
H01J37/22;G01R31/302;H01J37/24;H01J37/26;H01J37/28;H01L21/66;(IPC1-7):H01J37/28
主分类号
H01J37/22
代理机构
代理人
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