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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 янв 1957 г. - Fibre-optic endoscope developed
Описание:
The first fibre-optic semi-flexible gastroscope is patented by gastroenterologist Basil Hirschowitz and co-workers at the University of Michigan.
Добавлено на ленту времени:
Medical imaging
By
Isabelle Childs
30 окт 2018
4
0
1434
Дата:
1 янв 1957 г.
Сейчас
~ 68 г назад
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