1975г. Москва. клиника. гастродуоденоскоп с волоконной оптикой.
Киножурнал Наука и техника № 23, 1975г.
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![Поет Валерий Чемоданов [Г62-05017-18] 1975](https://sun9-44.userapi.com/FiH5GRb8fHUdRnDz7DFEs8tmTfvOAIu-NaaClg/5SVG6aSV_QU.jpg)
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