4. Photocopying
  5. Projection printing and copying cameras
  6. Multicolor picture

Franck Gerstch

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Device for extracting the end of a negative film from a cartridg

Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent

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Device for printing photographs

Photocopying – Projection printing and copying cameras – Multicolor picture
Patent

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Device for separating a beam of white light into a plurality of

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Profile ID: LFUS-PAI-P-1298181

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