G
PHYSICS
G
PHYSICS
G06
COMPUTING; CALCULATING OR COUNTING
G06
COMPUTING; CALCULATING OR COUNTING
G06K
GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
G06K
GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
G06K19/00
Record carriers for use with machines and with at least a part designed to carry digital markings
G06K19/00
Record carriers for use with machines and with at least a part designed to carry digital markings