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发明名称
Køler til elektriske udladningsrør.
摘要
申请公布号
DK72045(C)
申请公布日期
1951.01.22
申请号
DK19480004813
申请日期
1948.06.12
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
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