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发明名称
ELECTRON DISCHARGE TUBE
摘要
申请公布号
CA391547(A)
申请公布日期
1940.09.24
申请号
CAD391547
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
JAN BART HUGENHOLTZ;BERNARDUS OCTAVIANUS MARIA GALL
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