COIN-DISCRIMINATOR VOUCHER ANTI-COUNTERFEITING METHOD AND APPARATUS
Anti-counterfeiting and counterfeit detection devices and procedures are provided particularly usable in connection with vouchers issued by coin discriminator or coin counting machines. Paper stock may be preprinted with inks which are not readily photocopied without apparent alteration. Preprinting...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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