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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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16 дек 1909 г. - Ehrlich carried out work on lead poisoning from which he evolved the theory that was to guide much of his subsequent work
Добавлено на ленту времени:
Engineering 2 9/29/17
By
Josiah Valery
2 окт 2017
0
0
868
Дата:
16 дек 1909 г.
Сейчас
~ 115 г назад
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