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发明名称
Elektrische Entladungsröhre
摘要
申请公布号
AT164774(B)
申请公布日期
1949.12.10
申请号
ATD164774
申请日期
1947.12.31
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J19/66
主分类号
H01J19/66
代理机构
代理人
主权项
地址
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