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NAF Rev.2 (FR 2008) : Manufacture of scientific and technical instruments (2651B)

Conventions Collectives : 2i - Convention collective nationale de la métallurgie (3248)

NACE Rev.2 (EU 2008) : Manufacture of instruments and appliances for measuring, testing and navigation (2651)

ISIC 4 (WORLD) : Manufacture of measuring, testing, navigating and control equipment (2651)

NACE Rev.2.1 (EU 2025) : Manufacture of instruments and appliances for measuring, testing and navigation (2651)