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jan 1, 1949 - Zirkuitu txertatuak patentatu.

Description:

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

Added to timeline:

IKT

BySERGIO ROMAN DOMINGUEZ
4 Oct 2018

Date:

jan 1, 1949
Now
~ 75 years ago
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