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jan 1, 1877 - Эдмон Фреми разработал метод коммерческого изготовления рубинов из расплава

Description:

Создал первые камни ювелирного качества.

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Crystallography

ByArseniy Baskakov
26 Feb 2020
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1038

Date:

jan 1, 1877
Now
~ 148 years ago
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