B 51221: Occupations in the supervision and maintenance of railway infrastructure – helper/trainee activities (Q520683)
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OhdAB 05 statement on the category of professions
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | B 51221: Occupations in the supervision and maintenance of railway infrastructure – helper/trainee activities |
OhdAB 05 statement on the category of professions |