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经营范围
发明名称
VIDEO/AUDIO DUPLEX MONITOR DEVICE
摘要
申请公布号
JPH10136108(A)
申请公布日期
1998.05.22
申请号
JP19960290353
申请日期
1996.10.31
申请人
AIPHONE CO LTD
发明人
SAKAKURA KENICHI
分类号
H04N5/225;H04M9/00;H04M11/06;H04N7/18;(IPC1-7):H04M9/00
主分类号
H04N5/225
代理机构
代理人
主权项
地址
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