| 发明名称 |
SIKKERHETSTRAAD SOM BESKYTTELSE MOT FORFALSKNING. |
| 摘要 |
The invention relates to a security filament to protect against forgery of bank notes, securities, permit cards, identity cards and passports, whereby the safety thread has a cross-sectional shape by which it can be identified optically and is provided with structural features on its surface which extend invariably over the length of the thread. |
| 申请公布号 |
NO811141(A) |
申请公布日期 |
1981.10.05 |
| 申请号 |
NO19810001141 |
申请日期 |
1981.04.02 |
| 申请人 |
AGFA-GEVAERT AG, |
发明人 |
KEMPSKI, WALTER VON,;KIRSTEIN, FRITZ, |
| 分类号 |
G07D7/00;B41M3/14;B42D15/00;B42D15/10;B44F1/12;D21H21/42;G06K19/10;G07D7/12 |
主分类号 |
G07D7/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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