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  EU Pesticides database - European Commission

  http://ec.europa.eu/food/plant/pesticides/eu-pesticides-database/public/?event=activesubstance.detail&language=DE&selectedID=1225

  is the reference database for member states about the pesticide residues, active substances and products and their values

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  Category:Maleic acid – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Maleic_acid?uselang=de

  Keine Beschreibung vorhanden.

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