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1 janv. 1949 - Zirkuitu txertatuak patentatu.

Description:

Urte honetan, zirkuitu txertatuak Werner Jacobic ingienari alemaniarrak patentatu zuen, baino ez ziren oraindik erabiltzen.

Ajouté au bande de temps:

IKT

BySERGIO ROMAN DOMINGUEZ

4 oct. 2018

1

0

538

Date:

1 janv. 1949

Maintenaint

~ Il y a 76 ans

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