cowls (ventilation system components)
Identification code: 300079168
Español: campanas (ventilación) | Català: campana (ventilation system components (traducció pendent))
Hierarchy classification:
Alternative term/s
- cowl
- cowls, ventilating
- ventilating cowls
Anotations
Scope note:
Refers to caps or hoodlike devices which cover and protect the open top of pipes, stacks, or shafts while permitting the free passage of air.
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