characterised by beam passing apertures or combinations

Full Title

Details of cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > Electron guns > characterised by beam passing apertures or combinations

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.

This code exists only in CPC.

Diff view requires codes present in both systems.

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