4. Photocopying
  5. Contact printing
  6. Light boxes

Geny S. Ershov

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Electrographic photocomposing machine

Photocopying – Contact printing – Light boxes
Patent

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Electrographic photocomposing machine

Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent

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Method of and apparatus for making a half-tone reproduction of a

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent

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Profile ID: LFUS-PAI-P-841229

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