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3 апр 1532 г. до нашей эры - Egyptians Discovered the Science of Coagulation

Описание:

They applied the chemical alum to take care of the suspended particles in the water.

Добавлено на ленту времени:

Important Water Dates in History

ByNick Davis
28 янв 2018

Дата:

3 апр 1532 г. до нашей эры
Сейчас
~ 3559 г назад
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