4. Electric heating
  5. Metal heating
  6. By arc

John Keightley

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Camera theodolite system

Television – Special applications – Observation of or from a specific location
Reexamination Certificate

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High speed laser micrometer

Optics: measuring and testing – Dimension – Width or diameter
Reexamination Certificate

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Image transfer system

Facsimile and static presentation processing – Natural color facsimile – Scanning
Patent

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Laser deflection apparatus for laser compass

Geometrical instruments – Straight-line light ray type – Level
Patent

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Laser sheet perforator

Electric heating – Metal heating – By arc
Patent

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Profile ID: LFUS-PAI-P-1203915

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