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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 янв 1772 г. - Antoine Lavoisier discovers that mass is conserved in chemical reactions.
Добавлено на ленту времени:
Atomic Theory
By
Olivia Bull
22 окт 2018
0
0
507
Дата:
1 янв 1772 г.
Сейчас
~ 253 г назад
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