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

Descripción:

Создал первые камни ювелирного качества.

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Crystallography

ByArseniy Baskakov

26 feb 2020

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1038

fecha:

1 ene 1877 año

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~ 148 years ago

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