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DIFF Subgroup Additional Only
H01J 2237/31

Processing objects on a macro-scale

Full Title

Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging > Electron or ion beam tubes for processing objects > Processing objects on a macro-scale

Of 12 combined children, 0 exist in both systems.

12 codes are CPC-only extensions.

Note: 12 CPC extensions are marked as secondary classification only.