http://AATesaurus.cultura.gencat.cat/aat/getty_en Tesaurus d'Art i Arquitectura Getty Institute Getty Institute 0000-00-00 en 2026-03-30 20:26:20 hydrogen fluoride 2026-03-30 20:26:20 anhydrous hydrofluoric acid http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31320349 fluoride, hydrogen http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31320349 hydrofluoric acid gas http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31320349http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31306060http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31344867