Gassrør
notation: 621.381513
broader: Elektronrør
alternative label: Gassrør--elektronikk
created: 2010-02-04
in scheme: Norsk WebDewey
type: Concept
modified: 2013-08-22

Norsk WebDewey
type: ConceptScheme

Elektronrør
notation: 621.38151
type: Concept
narrower: Gassrør