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PCE
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DIFF Subgroup Additional Only
H01J 2237/336

Changing physical properties of treated surfaces

Full Title

Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging > Processing objects by plasma generation > characterised by the type of processing > Changing physical properties of treated surfaces

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.