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发明名称
Elektronenstrahlgeraet
摘要
申请公布号
DE1764532(A1)
申请公布日期
1971.10.28
申请号
DE19681764532
申请日期
1968.06.21
申请人
INTERNATIONAL BUSINESS MACHINES CORP.
发明人
HEINZ LOEFFLER,KARL
分类号
H01J29/46
主分类号
H01J29/46
代理机构
代理人
主权项
地址
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