using wave or particle radiation

Full Title

Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency > using wave or particle radiation

Child Classifications

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• G07D 7/08 Acoustic waves
• G07D 7/10 Microwaves
• G07D 7/12 Visible light, infrared or ultraviolet radiation