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经营范围
发明名称
Halbleitendes Elektrodensystem
摘要
申请公布号
AT200621(B)
申请公布日期
1958.11.25
申请号
ATD200621
申请日期
1957.07.24
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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