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720280 — Ferrotungstè i ferrosilicotungstè

    Descendants
    Code Description
    72028000 Ferrotungstè i ferrosilicotungstè
    Correspondence with NC 2016 (ca)
    Code Description
    720280 Ferrotungstè i ferrosilicotungstè
    Correspondence with NC 2018 (ca)
    Code Description
    720280 Ferrotungstè i ferrosilicotungstè