Kjemisk rensing
type: Concept
narrower: Fluoridering
notation: 628.166

Fluoridering
type: Concept
created: 2010-02-04
modified: 2013-10-11
alternative label: Defluoridering--vannforsyningsteknikk
alternative label: Fluoridering--vannforsyningsteknikk
broader: Kjemisk rensing
in scheme: Norsk WebDewey
notation: 628.1663

Norsk WebDewey
type: ConceptScheme