File:1937 1952 Prof Otto Bayer Polyurethan.jpg

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English: Prof. Otto Bayer in 1952 demonstrating his creation (from 1937), the polyurethane,.
Português: Prof. Otto Bayer em 1952, demonstrando sua criação (de 1937), o poliuretano.
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Source http://press.bayer.com/baynews/baynews.nsf/id/Historical_Photos_e?opendocument
Author Bayer AG

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current13:05, 30 October 2014Thumbnail for version as of 13:05, 30 October 20141,434 × 2,362 (808 KB)Maiolino (talk | contribs){{Information |Description ={{en|1=Prof. Otto Bayer in 1952 demonstrating his creation (from 1937), the polyurethane,.}} {{pt|1=Prof. Otto Bayer em 1952, demonstrando sua criação (de 1937), o poliuretano.}} |Source =http://press.bayer.com/...

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