IPC Definitions - January 01, 2012

C04B 35/50 - Definition fr

Informative references

Attention is drawn to the following places, which may be of interest for search:

Luminescent materials containing rare earth metals

C09K 11/77

Light filters; Selection of luminescent materials for light screens

F21V 9/16

Luminescent screens

H01J 1/63

Scintillation detectors

G01T 1/20, G01T 3/06