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1 янв 1952 г. - Technetium is discovered in S-type red giants

Описание:

by Paul. W. Merrill

Добавлено на ленту времени:

TC99m

ByCaitlin
24 окт 2017

Дата:

1 янв 1952 г.
Сейчас
~ 72 г назад
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