IATE-1377117

Subject Field	unknown
Is Reference of	Degré de houillification-fr#Sense
	Coal rank-en#Sense
	Grado de carbonización-es#Sense
	Inkolingsgraad-nl#Sense
	Rang-fr#Sense
	Βαθμός ενανθρακώσεως-el#Sense
	Inkolningsgrad-sv#Sense
	Hiiletysaste-fi#Sense
	Rango-it#Sense
	Grau de carbonização-pt#Sense
	Degré d'évolution-fr#Sense
	Grado di fossilizzazione-it#Sense
	Hiiltymisaste-fi#Sense
	Inkohlungsgrad-de#Sense
	Forkoksningsgrad-da#Sense