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OHP (PROJECTOR) (1 jan 1970 ano – 1 jan 1990 ano)

Descrição:

Description: used in education and business before the advent of computer-based projection.

Interaction/exposure to: schools

Adicionado na linha do tempo:

electronic age timeline

ByRawan Alhamad

11 dez 2019

0

0

236

Data:

1 jan 1970 ano

1 jan 1990 ano

~ 20 years

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