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发明名称
METHOD FOR PREVENTING COUNTERFEITING OR ALTERATION OF A PRINTED OR ENGRAVED SURFACE
摘要
申请公布号
EP1319219(A1)
申请公布日期
2003.06.18
申请号
EP20010964793
申请日期
2001.09.17
申请人
ALPVISION SA
发明人
JORDAN, FREDERIC;MEYLAN, ROLAND;KUTTER, MARTIN
分类号
G07D7/00;(IPC1-7):G07D7/00
主分类号
G07D7/00
代理机构
代理人
主权项
地址
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