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30 янв 1954 г. - Maser Developed
Описание:
Machine that emits short radiowaves through ammonia gas which amplifies the waves.
Добавлено на ленту времени:
4 окт 2017
0
0
403
Fiber Optics Timeline
Дата:
30 янв 1954 г.
Сейчас
~ 70 г назад