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1 ene 1877 año - Эдмон Фреми разработал метод коммерческого изготовления рубинов из расплава

Descripción:

Создал первые камни ювелирного качества.

Añadido al timeline:

Crystallography

ByArseniy Baskakov
26 feb 2020

fecha:

1 ene 1877 año
Ahora mismo
~ 147 years ago
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