ClassID:

167759

G01N2021/1755 - CPC Classification

Classification description:

Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light; Systems in which incident light is modified in accordance with the properties of the material investigated; Comparative step being essential in the method; Constructive features therefore, e.g. using two measurement cells and using two apparatus or two probes

Recent Application in this class: