پلاستیک: تفاوت میان نسخه‌ها

== پیوند به بیرون ==

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* [http://americanhistory.si.edu/archives/d8008.htm J. Harry Dubois Collection on the History of Plastics, ca. 1900–1975] Archives Center, National Museum of American History, Smithsonian Institution.

* [http://www.plasticsintl.com/sortable_materials.php?display=mechanical Material Properties of Plastics – Mechanical, Thermal & Electrical Properties]