Produkter fra mineralindustrier
type: Concept

Bestemte produkter
type: Concept
narrower: Petroleum--handel
notation: 381.422-381.429

Petroleum--handel
type: Concept
created: 2013-08-12
modified: 2017-01-25
component list: Produkter fra mineralindustrier
component list: Olje, oljeskifer, tjæresand, naturgass
broader: Bestemte produkter
in scheme: Norsk WebDewey
narrower: Olje (petroleum)--handel
narrower: Petroleum--handel--USA
notation: 381.4228

Petroleum--handel--USA
type: Concept
broader: Petroleum--handel
notation: 381.42280973

Olje (petroleum)--handel
type: Concept
broader: Petroleum--handel
notation: 381.42282

Olje, oljeskifer, tjæresand, naturgass
type: Concept

Norsk WebDewey
type: ConceptScheme