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7 gen 1938 anni - Izmailov y Schraiber:

Descrizione:

uso de la capa fina de alumina extendida sobre un vidrio.

Aggiunto al nastro di tempo:

Cromatograía

ByPatricia Molina

24 nov 2018

0

0

713

Data:

7 gen 1938 anni

Adesso

~ 87 years ago

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