ClassID:

165799

G01J1/0451 - CPC Classification

Classification description:

Photometry, e.g. photographic exposure meter; Details; Optical or mechanical part supplementary adjustable parts; Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using means for illuminating a slit efficiently, e.g. entrance slit of a photometer or entrance face of fiber

Recent Application in this class: