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经营范围
发明名称
Oscillograf.
摘要
申请公布号
DK77347(C)
申请公布日期
1954.04.05
申请号
DK19510002529
申请日期
1951.08.22
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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