| http://www.w3.org/ns/prov#value | - The procedure according to the invention is characterised in that ink, particularly printer's ink, containing magnetizable particles is applied, e.g. printed on the goods, that the particles are magnetized, e.g. at the time of printing, and that the marking is demagnetized at a control point or when scanned, e.g. upon payment at a cashdesk and/or leaving the premises.
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