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.