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5 janv. 1904 - Vacuum tube

Description:

Flemming
diode
electron tube/valve
thermionic tube/valve

Ajouté au bande de temps:

History of Computing

ByJanna Hawkins
2 nov. 2018
0
0
1243

Date:

5 janv. 1904
Maintenaint
~ Il y a 121 ans
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