CPC Subgroup Additional Only
G01N 2201/0655 Hemispheres
Full Title
Features of devices classified in G01N21/00 > Illumination; Optics > Integrating spheres > Hemispheres
G01N 2201/0655 Features of devices classified in G01N21/00 > Illumination; Optics > Integrating spheres > Hemispheres