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1 janv. 3000 av. J.-C. - Первые ученые и ремесленники, преднамеренно ставшие изучать химические свойства веществ.

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химик-технолог

ByМихаил Фефелов

2 déc. 2018

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1 janv. 3000 av. J.-C.

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~ Il y a 5029 ans

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