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jan 1, 1975 - Wisconsin Üniversitesi
Description:
Sesli telekonferans - özel aygıt: mikrofon ve hoparlör İlk Wisconsin Üniversitesi Eğitim Amaçlı Telefon Ağı (4. Kuşak: Telekonferans).
Added to timeline:
9 Oct 2017
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Timeline - Uzaktan Eğitim
Date:
jan 1, 1975
Now
~ 49 years ago