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发明名称
Optical data carrier having an optical diffractive code, and related reading apparatus
摘要
申请公布号
EP1321890(B1)
申请公布日期
2006.11.02
申请号
EP20010830772
申请日期
2001.12.18
申请人
ISTITUTO POLIGRAFICO E ZECCA DELLO STATO
发明人
CASINI, MICHELA;LUCIANI, LAURA;LUCENTINI, FLAVIO
分类号
G06K19/16;G02B5/18;G02B26/10;G06K19/14
主分类号
G06K19/16
代理机构
代理人
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