Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Ro ON-en#Sense
SOZ-de#Sense
Road octane number-en#Sense
Strassenoctanzahl-de#Sense
IOR-fr#Sense
Indice d'octane route-fr#Sense
Numero d'ottano strada-it#Sense
Wegoctaangetal-nl#Sense