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![]() Date: 2014-05-13 12:55:29Materials science Optical materials Dielectrics Packaging materials Polymers Copolymer Polyethylene terephthalate Polyurethane Formaldehyde Chemistry Plastics Thermoplastics | Source URL: www.cbsa.gc.caDownload Document from Source WebsiteFile Size: 59,75 KBShare Document on Facebook |