Underjordisk utvinning
type: Concept
narrower: Tunnelgraving
notation: 622.22-622.28

Tunnelgraving
type: Concept
class here: Tunneler
created: 2010-02-04
modified: 2015-12-03
alternative label: Tunneler--utvinning
alternative label: Tunnelbygging--utvinning
broader: Underjordisk utvinning
in scheme: Norsk WebDewey
notation: 622.26
related match: c000585

Norsk WebDewey
type: ConceptScheme