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1 gen 1877 anni - Эдмон Фреми разработал метод коммерческого изготовления рубинов из расплава

Descrizione:

Создал первые камни ювелирного качества.

Aggiunto al nastro di tempo:

Crystallography

ByArseniy Baskakov
26 feb 2020

Data:

1 gen 1877 anni
Adesso
~ 147 years ago
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