DIFF Subgroup
G07D 7/2075 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 > Testing patterns thereon (G07D7/004, G07D7/005 take precedence)
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.