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发明名称
Elektrodensystem mit unsymmetrischer Leitfähigkeit.
摘要
申请公布号
CH192682(A)
申请公布日期
1937.08.31
申请号
CHD192682
申请日期
1936.10.28
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GLOEILAMPENFABRIEKEN N. V. PHILIPS'
分类号
主分类号
代理机构
代理人
主权项
地址
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