4. Radiant energy
  5. Inspection of solids or liquids by charged particles
  6. Electron microscope type

Josef Frey

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Electron-optical imaging system having controllable elements

Radiant energy – Inspection of solids or liquids by charged particles – Electron microscope type
Patent

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Headbox

Paper making and fiber liberation – Apparatus – Running or indefinite length product forming and/or treating...
Reexamination Certificate

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Headbox with flexible support plates

Paper making and fiber liberation – Apparatus – Running or indefinite length product forming and/or treating...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1809713

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