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DIFF Subgroup Additional Only
H01J 2237/0815

Methods of ionisation

Full Title

Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging > Sources > Ion sources > Methods of ionisation

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

Note: 2 CPC extensions are marked as secondary classification only.