Mining Products
type: Concept
notation: PRB02
label: Bergbauprodukte @de
narrower: Petroleum

Tar
type: Concept
notation: PRB02.08-Eo04
label: Teer @de
broader: Petroleum

Oil shale, shale oil
type: Concept
notation: PRB02.06-Eo03
label: Ölschiefer, Schieferöl @de
broader: Petroleum

Petroleum
type: Concept
preferred label: Erdöl @de
note: folderCount: 1
narrower: Oil shale, shale oil
narrower: Petroleum production
narrower: Petroleum processing
narrower: Tar
in scheme: ware
subject of: about
NotationLong: PRB02.06
wikipedia article: Petroleum
wikipedia article: Erdöl
broader: Mining Products
folder count: 1
notation: PRB02.06

Petroleum production
type: Concept
notation: PRB02.06-Eo01
label: Erdölförderung @de
broader: Petroleum

Petroleum processing
type: Concept
notation: PRB02.06-Eo02
label: Erdölverarbeitung @de
broader: Petroleum

NotationLong
sub property of: notation
definition: EXPERIMENTAL: Notation with blanks and leading zeros for sortability.