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5 fev 1909 ano - Leo Baekeland

Descrição:

U.S. chemist Leo Baekeland (1863–1944) presents his invention, the first synthetic plastic known as Bakelite, to the American Chemical Society.

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ByBrayden Schiller

28 jan 2022

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Data:

5 fev 1909 ano

Agora

~ 116 years ago

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