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1 Jan 1930 Jahr - Analizador Diferencial (1930).

Beschreibung:

Vannevar Bush, media grados de cambio.

Zugefügt zum Band der Zeit:

T1P1_1800_20181008023_Rivas Flores_Stephany

ByEmily Cortés

31 Mai 2021

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Datum:

1 Jan 1930 Jahr

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~ 95 years ago

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