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1 janv. 1877 - Эдмон Фреми разработал метод коммерческого изготовления рубинов из расплава

Description:

Создал первые камни ювелирного качества.

Ajouté au bande de temps:

Crystallography

ByArseniy Baskakov

26 févr. 2020

0

0

1038

Date:

1 janv. 1877

Maintenaint

~ Il y a 148 ans

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