Hình:Urethane.png

Bách khoa toàn thư mở Wikipedia


  • Description: chemical structure of urethane
  • Source/Drawer: Self made, 13:23, 31 May 2005 (UTC)
  • License: GNU FDL
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

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--Rhododendronbusch 13:23, 31 May 2005 (UTC)

(Picture is optimized for printable medias, so its width/resolution is ≥ 2000 pixel)

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