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1 jan 1949 ano - Zirkuitu txertatuak patentatu.

Descrição:

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

Adicionado na linha do tempo:

IKT

BySERGIO ROMAN DOMINGUEZ

4 out 2018

1

0

538

Data:

1 jan 1949 ano

Agora

~ 76 years ago

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