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发明名称
Elektrisk klaver med tangenter til anslag af de forskellige musiktoner, ved hvilket tonen frembringes ved en kondensators udladning over en impedans.
摘要
申请公布号
DK70567(C)
申请公布日期
1950.01.30
申请号
DK19430001885
申请日期
1943.07.12
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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