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1 janv. 1966 - Zuntz optikoa

Description:

Charles Kao eta George Hockham zuntz optikoa asmatu zuen. Kristaleskoa edo plastikoa hodian dira. Seinaleak transmititzeko asko eraginkorragoa gaitesua dute. Une honetan, elektrizitata eta eroale mekanikoak beira eta argia ordezkoatu zituzten.

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ByEmili Tessy
4 oct. 2018
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Date:

1 janv. 1966
Maintenaint
~ Il y a 59 ans

Les images:

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