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81129231 — Niobi (columbi) i reni, en brut i pólvores

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    This heading has no descendants because it belongs to the most detailed level of the classification.

    Correspondence with NC 2014 (ca)
    Code Description
    81129231 Niobi (columbi) i reni, en brut i pólvores
    Correspondence with NC 2016 (ca)
    Code Description
    81129231 Niobi (columbi) i reni, en brut i pólvores