DIFF Subgroup Additional Only
H01J 2229/0076 applied to the faceplate
Full Title
Details of cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > Cooling arrangements > Active means, e.g. fluid flow > applied to the faceplate
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.