4. Photocopying
  5. Contact printing
  6. Light boxes

Wilfred Smeiman

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Photocopy machine remotely controlled copy counting system

Photocopying – Contact printing – Light boxes
Patent

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Process and apparatus for rejuvenating electrostatic copy machin

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Process of making developer composition
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Profile ID: LFUS-PAI-P-1595052

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