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PCE
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CPC Subgroup
B01J 27/195

with vanadium, niobium or tantalum

Full Title

Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds > Phosphorus; Compounds thereof > with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium > with vanadium, niobium or tantalum

1 direct subcode

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