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1 янв 1550 г. до нашей эры - animal and vegetable oils were mixed with alkaline salts to produce a soap-like substance

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Soap timeline

ByDina Bawazeer

1 ноя 2018

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978

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1 янв 1550 г. до нашей эры

Сейчас

~ 3578 г назад

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