Catalysts comprising metals or metal oxides or hydroxides, not provided for in group [CPC: B01J21/00] of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
Catalysts comprising metals or metal oxides or hydroxides, not provided for in group [CPC: B01J21/00] of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium