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1 Jan 1925 Jahr - Сформирована группа кристаллографии при Минералогическом музее АН СССР в Ленинграде

Beschreibung:

Задача - исследования кварца и изготовления пьезокварцевых пластин

Zugefügt zum Band der Zeit:

Crystallography

ByArseniy Baskakov

26 Feb 2020

0

0

1039

Datum:

1 Jan 1925 Jahr

Jetzt

~ 100 years ago

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