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1 jan 1960 ano - The Whiteboard is invented

Descrição:

Whiteboards begin to replace standard chalk boards in many American schools.

Adicionado na linha do tempo:

Technology in Schools

ByKris Lessinger

2 nov 2017

0

0

335

Data:

1 jan 1960 ano

Agora

~ 65 years ago

Imagens:

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