Riga 32:
Riga 32:
* [http://www.tandfonline.com/doi/abs/10.1080/00218468708075424#preview] Articolo su solventi e incollaggio
* [http://www.tandfonline.com/doi/abs/10.1080/00218468708075424#preview] Articolo su solventi e incollaggio
* [http://flounders-mindthots.blogspot.com/2009/10/servicing-1980s-sheaffer-targa.html] Prodotto per riparazioni (Capt Tolley)
* [http://flounders-mindthots.blogspot.com/2009/10/servicing-1980s-sheaffer-targa.html] Prodotto per riparazioni (Capt Tolley)
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* [https://www.moldingusa.com/the-history-of-plastic-and-injection-molding/] Una storia delle plastiche
[[Category:Tecnica]]
[[Category:Tecnica]]