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发明名称
Visuelle elektromagnetische Anzeigevorrichtung
摘要
申请公布号
CH391790(A)
申请公布日期
1965.05.15
申请号
CH19600005789
申请日期
1960.05.20
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
SCHALKWIJK,JAN
分类号
G08B5/28;G08B5/30
主分类号
G08B5/28
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代理人
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