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发明名称
SWITCHON-SWITCHOFF, MULTISTATE, INTERACTIVE, ANTIPHOTOCOPYING, ANTIFRAUD AND ANTIFAXING SYSTEM
摘要
申请公布号
CA2079672(A1)
申请公布日期
1991.10.03
申请号
CA19912079672
申请日期
1991.03.28
申请人
NOCOPI INTERNATIONAL LTD.
发明人
GUNDJIAN, ARSHEVIR
分类号
G03C1/00;B41M3/14;G03C5/08;G03C5/56;G03G21/00;G03G21/04
主分类号
G03C1/00
代理机构
代理人
主权项
地址
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