IPC Definitions - January 01, 2012
G21G 4/00 - Definition
Attention is drawn to the following places, which may be of interest for search:
Producing neutrons or other subatomic particles, X- or gamma rays, in fusion reactors | G21B |
In nuclear reactors | G21C |
By cosmic radiation | G21H 7/00 |
In accelerators | H05H |
X-ray tubes | H01J 35/00 |
Gamma masers | H01S 4/00 |