1937 1952 Prof Otto Bayer Polyurethan


Forfatter/Opretter:
Bayer AG
Kredit:
http://press.bayer.com/baynews/baynews.nsf/id/Historical_Photos_e?opendocument
Shortlink:
https://dkwiki.dk/b/4bba0
kilde:
Wikimedia Commons
størrelse:
1434 x 2362 Pixel (827115 Bytes)
beskrivelse:
Prof. Otto Bayer in 1952 demonstrating his creation (from 1937), the polyurethane,.
Licens:
Public domain

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