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发明名称
METHOD OF MAKING GERMANIUM ELEMENTS FOR ASYMMETRICALLY CONDUCTING ELECTRICAL DEVICES
摘要
申请公布号
CA526595(A)
申请公布日期
1956.06.19
申请号
CAD526595
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
PETRUS C. VAN DER LINDEN;ADRIANUS VAN WIERINGEN;JOHANNES J. A. P. VAN AMSTEL
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主分类号
代理机构
代理人
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