12 h 11 min, 23 oct. 1953 ans - OCT 23, 1953 Poly carbonates Discovered, Poly carbonates, a group of clear and easily mold-able plastics, were discovered by scientists H. Schnabel (in Germany) and D. W. Fox (in the US). As Mr. Fox worked for GE, poly-carbonates began to be used in commercial products in the late 1950's.
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Date:
12 h 11 min, 23 oct. 1953 ans
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~ Il y a 72 ans