4. Optics: image projectors
  5. Lamp control
  6. Dissolve type

Rollei-Werke Franke & Heidecke

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Adjustment device for photographic enlarging or reproducing appa

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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Arrangement for supplying a load with controlled current from an

Electricity: power supply or regulation systems – Remote sensing
Patent

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Brake system for focal plane shutters of photographic cameras

Patent

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Camera

Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent

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Camera accessory securing means

Patent

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Profile ID: LFUS-PAI-P-19864

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