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1 Jan 1877 Jahr - Эдмон Фреми разработал метод коммерческого изготовления рубинов из расплава

Beschreibung:

Создал первые камни ювелирного качества.

Zugefügt zum Band der Zeit:

Crystallography

ByArseniy Baskakov

26 Feb 2020

0

0

1039

Datum:

1 Jan 1877 Jahr

Jetzt

~ 148 years ago

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