CPC Subgroup Additional Only
G01N 2021/0162 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) > Arrangements or apparatus for facilitating the optical investigation
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open