Patent classifications
G
PHYSICS
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G07
CHECKING-DEVICES
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G07D
HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
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7/00
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
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G07D7/003
using security elements
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G07D7/0032
using holograms
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