Air--Purification
type: Concept
created: 1986-02-11T00:00:00
modified: 1993-07-02T14:54:11
alternative label: Purification of air
broader: Disinfection and disinfectants
broader: Air quality management
in scheme: lcsh
member: collection SubdivideGeographicalIndirect
member: collection LCSHAuthorizedHeadings
member: collection LCSH General
related: Air conditioning

Air conditioning
type: Concept
notation: TH7687-TH7688
related: Air--Purification

Air quality management
type: Concept

Disinfection and disinfectants
type: Concept
notation: RA761-RA767

Air conditioning
type: Concept
related: Air--Purification