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PCE
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DIFF Subgroup
G01N 1/4077

Full Title

Sampling; Preparing specimens for investigation > Preparing specimens for investigation (mounting specimens on microscopic slides G02B21/34; means for supporting the objects or the materials to be analysed in electron microscopes H01J37/20 ) > Concentrating samples

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.