4. Photocopying
  5. Projection printing and copying cameras
  6. Detailed holder for original

Gerhard Ritzerfeld

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Copier with means for handling components of form letters, and t

Photocopying – Projection printing and copying cameras – Detailed holder for original
Patent

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Copy sheet and method of printing the same

Coating processes – Hectrographic or copying surface making
Patent

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Copying apparatus

Photocopying – Projection printing and copying cameras – Detailed holder for original
Patent

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Copying apparatus

Photocopying – Projection printing and copying cameras – Detailed holder for original
Patent

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Duplicator machine with means for applying to the copies differe

Printing – Printing and sorting
Patent

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Profile ID: LFUS-PAI-P-19953

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