30
/pt/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
1406438
109946
2

25 jul 1903 ano - The first patents were awarded for the construction of a “printed wire” which came into use after World War 2. The concept was to replace radio tube with something less bulky.

Adicionado na linha do tempo:

Data:

25 jul 1903 ano
Agora
~ 120 years ago