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发明名称
ELECTRIC DISCHARGE TUBES
摘要
申请公布号
IE20711(L)
申请公布日期
1953.09.24
申请号
IE19530000145
申请日期
1953.03.23
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J9/02;(IPC1-7):H01J9/02;H01J61/08
主分类号
H01J9/02
代理机构
代理人
主权项
地址
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