Raumbelüftung	Nominativ, Singular	nominative case, singular
	Raumbelüftunge	Genitiv, Singular	genitive case, singular
	Raumbelüftungen	Dativ, Singular	dative case, singular
	Raumbelüftungs,Raumbelüftunges	Akkusativ, Singular	accusative case, singular
	Raumbelüftunger	Nominativ, Plural	nominative case, plural
	Raumbelüftungern	Genitiv, Plural	genitive case, plural
	Raumbelüftungn	Dativ, Plural	dative case, plural