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5 фев 1909 г. - Leo Baekeland

Описание:

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 янв 2022

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5 фев 1909 г.

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~ 116 г назад

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