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经营范围
发明名称
ECHO CANCELLER
摘要
申请公布号
JPH05183471(A)
申请公布日期
1993.07.23
申请号
JP19920159005
申请日期
1992.06.18
申请人
PHILIPS GLOEILAMPENFAB:NV
发明人
BUERUNAA ARUMUBURIYUSUTAA
分类号
H04B3/23
主分类号
H04B3/23
代理机构
代理人
主权项
地址
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