| 发明名称 |
Magnetic, metallic or magneto-metallic protective means having multiple protective characteristic signs, process of its manufacture and verification method of its genuineness |
| 摘要 |
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| 申请公布号 |
CZ20002052(A3) |
申请公布日期 |
2000.10.11 |
| 申请号 |
CZ20000002052 |
申请日期 |
1998.12.01 |
| 申请人 |
TECHNICAL GRAPHICS SECURITY PRODUCTS, LLC |
发明人 |
WOLPERT GARY R.;GARTNER GERALD J.;CURDO STEPHEN B.;CODE PAUL F. |
| 分类号 |
G06K7/08;(IPC1-7):G06K7/08 |
主分类号 |
G06K7/08 |
| 代理机构 |
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代理人 |
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