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

John W. Epstein

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Paper basis weight detector

Radiant energy – Inspection of solids or liquids by charged particles – Including a radioactive source
Patent

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Radioactive areal density detector with scintillating receiver

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

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Profile ID: LFUS-PAI-P-751793

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