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发明名称
Electrode system for electron-ray tubes
摘要
申请公布号
GB736995(A)
申请公布日期
1955.09.21
申请号
GB19520003155
申请日期
1952.02.06
申请人
LOEWE OPTA AKTIENGESELLSCHAFT
发明人
分类号
H01J29/82
主分类号
H01J29/82
代理机构
代理人
主权项
地址
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