How Photocopiers Work

Posted on October 27, 2009 by admin

In 1937, the process called Xerography was invented by American law student … Xerography became commercially available in 1950 by the Xerox Corporation

Duration : 0:0:44


[youtube HFxo4j1EWsA]

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One Response to How Photocopiers Work

  1. linkcouo says:
    October 27, 2009 at 8:10 pm

    No se puede hablar …
    No se puede hablar tanto en tan poco tiempo.