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经营范围
发明名称
Magnettongerät mit auswechselbaren Kassetten
摘要
申请公布号
CH344230(A)
申请公布日期
1960.01.31
申请号
CHD344230
申请日期
1956.06.08
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
CECH,KARL
分类号
G11B23/04
主分类号
G11B23/04
代理机构
代理人
主权项
地址
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