DIFF Subgroup
G01B 9/02094 Full Title
Measuring instruments characterised by the use of optical techniques > Interferometers
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
G01B 9/02094 Measuring instruments characterised by the use of optical techniques > Interferometers
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.