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28111920 — Cianur d'hidrogen (àcid cianhídric)

    Descendants

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

    Correspondence with NC 2015 (ca)
    Code Description
    28111920 Cianur d'hidrogen (àcid cianhídric)
    Correspondence with NC 2017 (ca)
    Code Description
    28111200 Cianur d'hidrogen (àcid cianhídric)