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Banknote paper, designed to become permanently discolored or disintegrated at later date following spraying with neutral substance during robbery attempt
Banknote paper, designed to become permanently discolored or disintegrated at later date following spraying with neutral substance during robbery attempt
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机译:钞票纸,旨在在抢劫过程中喷洒中性物质后在以后永久变色或崩解
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摘要
The paper production or printing process is modified so that certain banknote characteristics will later become permanently visible as a result of a reaction which can be caused by spraying or contact by other means with a non-hazardous, neutral (liquid) substance or gas in the event of e.g. an attempted theft of the money. These characteristics can be a discoloration or (local) disintegration, making the banknote invalid tender and therefore valueless. This can be achieved using a special printing ink. The sprayable material can include a DNA marker for tracing purposes.
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