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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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9 янв 1867 г. - Reinforced concrete invented
Добавлено на ленту времени:
Technology timeline Kushaj
By
Kushaj DWIVEDI [08N02M]
12 окт 2017
0
0
617
Дата:
9 янв 1867 г.
Сейчас
~ 158 г назад
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