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1 янв 1962 г. - Technetium discovered in African uranium ore

Описание:

produced by spontaneous fission

Добавлено на ленту времени:

TC99m

ByCaitlin
24 окт 2017
0
0
618

Дата:

1 янв 1962 г.
Сейчас
~ 63 г назад
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