4. Photocopying
  5. Projection printing and copying cameras
  6. Producing plural rows of pictures on photosensitive paper

Jean Le Fur

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Device for extracting sludge from a circular decanter

Liquid purification or separation – Gravitational separator – Material supply distributor
Patent

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Filter having vertical filter elements

Liquid purification or separation – With repair or assembling means – Sliding or rolling on guide means
Patent

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Multi-partition modular camera for obtaining microfiches

Photocopying – Projection printing and copying cameras – Producing plural rows of pictures on photosensitive paper
Patent

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Process and system for the dehydration of residues

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent

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Profile ID: LFUS-PAI-P-744423

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