4. Optics: measuring and testing
  5. Of light reflection
  6. With diffusion

Fred Mast

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Illuminating device for photographic copying apparatus

Photocopying – Projection printing and copying cameras – Multicolor picture
Patent

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Measuring head

Optics: measuring and testing – Photometers
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Measuring head

Optics: measuring and testing – Of light reflection – With diffusion
Patent

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Measuring head

Optics: measuring and testing – Of light reflection – With diffusion
Patent

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Measuring head in or for a densitometer

Optics: measuring and testing – Of light reflection – With diffusion
Patent

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Profile ID: LFUS-PAI-P-747567

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