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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 янв 1918 г. - 1918 Max Planck had his discovery of energy quanta.
Добавлено на ленту времени:
Chem
By
Peter Foti
15 ноя 2018
0
0
344
Дата:
1 янв 1918 г.
Сейчас
~ 107 г назад
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