4. Radiant energy
  5. Invisible radiant energy responsive electric signalling
  6. With or including a luminophor

Matti Karras

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Procedure and apparatus for analyzing pulp slurry

Measuring and testing – Vibration – By mechanical waves
Patent

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Range-finding method and device

Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent

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Profile ID: LFUS-PAI-P-1002373

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