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

Kjemisk rensing
notation: 628.166
type: Concept
narrower: Fluoridering

Norsk WebDewey
type: ConceptScheme