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(EN) Globally Harmonized System of Classification and Labelling of Chemicals, 2 (riveduta), New York, Ginevra, ONU, 2007, ISBN 978-92-1-116957-7, ST/SG/AC.10/30/Rev.2.
(EN) Parametro titolo vuoto o mancante (aiuto) Globally Harmonized System of Classification and Labelling of Chemicals, 2 (riveduta), New York, Ginevra, ONU, 2007, ISBN 978-92-1-116957-7, ST/SG/AC.10/30/Rev.2.