Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup Additional Only
H01J 2229/0015

Preventing or cancelling fields leaving the enclosure

Full Title

Details of cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > Elimination of unwanted or stray electromagnetic effects > Preventing or cancelling fields leaving the enclosure

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.