Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6416002
Is Reference of Thermochemical production of hydrogen-en#Sense
Thermochemische Wasserstoffproduktion (1)-de#Sense
Thermochemische Wasserstofferzeugung (2)-de#Sense
Production thermochimique d'hydrogène-fr#Sense