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Wasserstoff amp. Bildbeschreibung ml Wasserstoff in einer Glasampulle Quelle eigenes Foto Fotograf Tomihahndorf Datum Mrz de Tomihahndorf de original upload log page de Wasserstoffamp Tomihahndorf bytes no ml Wasserstoff in einer Glasampulle Foto aus meiner Sammlung chemischer Elemente Hydrogen technologies