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28 Dez 1942 Jahr - Electrophotography

Beschreibung:

Electrophotography or Xerography was invented by Chester Carlson. It involves electrostatic charges, and photocopying.

Zugefügt zum Band der Zeit:

12 Okt 2017
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729

Datum:

28 Dez 1942 Jahr
Jetzt
~ 82 years ago