4. Photocopying
  5. Contact printing
  6. Machine

Walter Hrastnik

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Light valve system for motion picture film printer

Photocopying – Contact printing – Light boxes
Patent

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Photographic film printer

Photocopying – Contact printing – Plural exposure stations or plural machines
Patent

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Printing head assembly

Photocopying – Contact printing – Machine
Patent

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Wet modular film printer

Photocopying – Contact printing – Fluid pressure retention of carrier and receiver in exposure...
Patent

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Profile ID: LFUS-PAI-P-1189686

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