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1 maio 1904 ano - Teabags invented by Thomas Suillivan. Benjamin Holt invents a tractor. John A Fleming invents a vacuum diode or Fleming valve.

Adicionado na linha do tempo:

WH timeline pt 2

Bygabe
27 set 2021
0
0
435

Data:

1 maio 1904 ano
Agora
~ 121 years ago
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