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发明名称
Illuminated sign
摘要
申请公布号
US1849736(A)
申请公布日期
1932.03.15
申请号
US19300435879
申请日期
1930.03.14
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
SWEEGERS THEODORUS ANTONIUS JOANNES
分类号
G09F13/26
主分类号
G09F13/26
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代理人
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