4. Measuring, testing, or signalling instruments
  5. Measuring, regulating or indicating instrument, or casing
  6. Geometric

Han Lu

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Laser distance meter

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Design Patent

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Laser distance-measuring device

Optics: measuring and testing – Angle measuring or angular axial alignment – Photodetection of inclination from level or vertical
Reexamination Certificate

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Laser ranging finder

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Design Patent

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Laser tilt apparatus and the method thereof

Geometrical instruments – Straight-line light ray type – Level
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3035097

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