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OHP (PROJECTOR) (1 Jan 1970 Jahr – 1 Jan 1990 Jahr)

Beschreibung:

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

Interaction/exposure to: schools

Zugefügt zum Band der Zeit:

electronic age timeline

ByRawan Alhamad

11 Dez 2019

0

0

236

Datum:

1 Jan 1970 Jahr

1 Jan 1990 Jahr

~ 20 years

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