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SIKKERHETSTRAAD SOM BESKYTTELSE MOT FORFALSKNING.
SIKKERHETSTRAAD SOM BESKYTTELSE MOT FORFALSKNING.
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机译:防止伪造的安全理事会。
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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.
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