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摘要
申请公布号
EP0840249(A3)
申请公布日期
2001.01.10
申请号
EP19970250326
申请日期
1997.11.01
申请人
NEC CORPORATION
发明人
IKEDA, KENICHI;ISHII, KAZUO
分类号
G06K7/10;G06K7/14;(IPC1-7):G06K7/14
主分类号
G06K7/10
代理机构
代理人
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