CPC Subgroup
G01N 21/8851 Full Title
Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light (G01N3/00 - G01N19/00 take precedence) > Systems specially adapted for particular applications > Investigating the presence of flaws or contamination
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open