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28332990 — Sulfats, excepte de sodi, disodi, magnesi, alumini, crom, níquel, coure, zinc, bari, cadmi, cobalt o titani, ferro o plom. Fins al 31 de desembre del 2006: Sulfats, excepte de sodi, disodi, magnesi, alumini, crom, níquel, coure, zinc, bari, cadmi, cobalt o titani, ferro, mercuri o plom

    Descendants

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