2025-02-14T20:28:42.153+01:00
- Section B : Mining and quarrying
- Division 09 : Mining support services
- Group 09.9 : Support services to other mining and quarrying
- Class 09.90 : Support services to other mining and quarrying
- Category 09.90.1 : Support services to other mining and quarrying
Sub-category 09.90.11 : Support services to hard coal extraction
Nomenclatures
Last updated on: 02/14/2025
This sub-category includes
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lavage, triage, calibrage, pulvérisation, compression de la houille, etc.
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drainage ou pompage des mines
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sondages et forages d'essai liés à l'extraction de la houille
This sub-category includes also
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services d'exploration liés à l'extraction de la houille