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发明名称
MULTI-GRID ELECTRON DISCHARGE TUBE
摘要
申请公布号
CA485718(A)
申请公布日期
1952.08.12
申请号
CAD485718
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
ADRIANUS JOHANNES WILHELMUS MARIE VAN OVERBEEK;JAN DORRESTIJN
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