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经营范围
发明名称
Ringing detector and filter
摘要
申请公布号
EP0762738(B1)
申请公布日期
2001.06.06
申请号
EP19960113999
申请日期
1996.09.02
申请人
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人
WAKE, KAZUHIRO;NISHINO, MASAKAZU
分类号
H04N5/14;H04N5/21;(IPC1-7):H04N5/14
主分类号
H04N5/14
代理机构
代理人
主权项
地址
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