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PCE
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DIFF Subgroup Additional Only
H01J 2237/2803

characterised by the imaging method

Full Title

Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging > Electron or ion microscopes > Scanning microscopes > characterised by the imaging method

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.

Note: 4 CPC extensions are marked as secondary classification only.