NACE-BEL 2025 Codes
25
Manufacture of fabricated metal products, except machinery and equipment
25.5
Treatment and coating of metals; machining
25.52
Heat treatment of metals
25.520
25.520
Level 5
Heat treatment of metals
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Parent code
25.52
Heat treatment of metals
Child codes
25.52001
heat treatment of metals
25.52002
Hardening of metal