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经营范围
发明名称
ECHOCOMPENSATOR MET VERBETERDE DUBBELSPRAAK DETECTIE.
摘要
申请公布号
NL9002790(A)
申请公布日期
1992.07.16
申请号
NL19900002790
申请日期
1990.12.18
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN TE EINDHOVEN.
发明人
分类号
H04B3/23;H04M9/08
主分类号
H04B3/23
代理机构
代理人
主权项
地址
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