Bayer Hungária Kft Alfred Gera & Sons Ltd Bayer B. V., Bayer Schering Pharma Bayer AS Bayer Austria Ges. m. b. H.
Bayer Hungária Kft Alfred Gera & Sons Ltd Bayer B. V., Bayer Schering Pharma Bayer AS Bayer Austria Ges. m. b. H.