4. Geometrical instruments
  5. Straight-line light ray type
  6. Level

Yohei Ogawa

Inventor

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Displacement measuring apparatus

Geometrical instruments – Distance measuring – Of flexible material
Reexamination Certificate

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Laser beam detecting device for a construction machine

Optics: measuring and testing – Fiducial instruments
Reexamination Certificate

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Laser gradient setting device

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

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Laser gradient setting device

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

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Laser gradient setting device

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

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Profile ID: LFUS-PAI-P-297274

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