B 342: Occupations in plumping, sanitation, heating, ventilating, and air conditioning (Q522630)
Jump to navigation
Jump to search
OhdAB 03 statement about the group of professions
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | B 342: Occupations in plumping, sanitation, heating, ventilating, and air conditioning |
OhdAB 03 statement about the group of professions |