File:1937 1952 Prof Otto Bayer Polyurethan.jpg
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current | 06:05, 30 October 2014 | 1,434 × 2,362 (808 KB) | Maiolino | {{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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