Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Hardheidsfaktor-nl#Sense
Índice de dureza-es#Sense
Indice de dureté-fr#Sense
Fator de dureza-pt#Sense
Hardness factor-fr#Sense
Hardheid-nl#Sense
Slijtvastheid-nl#Sense
Índice de dureza-pt#Sense
Kovuuskerroin-fi#Sense
Hårdhetstal-sv#Sense
Hardness Index-en#Sense
Hårhedsgrad-da#Sense
Hardness Factor-en#Sense
Hardness Factor-de#Sense
Haertefaktor-de#Sense
Δείκτης σκληρότητος-el#Sense