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经营范围
发明名称
WERKWIJZE VOOR HET MAKEN VAN ONDERSCHEID TUSSEN FREQUENTIES.
摘要
申请公布号
NL8900807(A)
申请公布日期
1990.11.01
申请号
NL19890000807
申请日期
1989.04.03
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN TE EINDHOVEN.
发明人
分类号
G01R23/02;G01R23/15
主分类号
G01R23/02
代理机构
代理人
主权项
地址
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