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发明名称
Electrode system for cathode-ray tubes
摘要
申请公布号
GB726951(A)
申请公布日期
1955.03.23
申请号
GB19520021259
申请日期
1952.08.25
申请人
LOEWE OPTA AKTIENGESELLSCHAFT
发明人
分类号
H01J29/82
主分类号
H01J29/82
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代理人
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