B 3421: Occupations in sanitation, heating, ventilating, and air conditioning (Q521993)
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OhdAB 04 statement about the subgroup of professions
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | B 3421: Occupations in sanitation, heating, ventilating, and air conditioning |
OhdAB 04 statement about the subgroup of professions |