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

Minli Zhang

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Laser level with selectable constant or pulsed beam output

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

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Level having rotatable digital display unit

Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Reexamination Certificate

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Multiline device

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

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Multiline device

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

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Profile ID: LFUS-PAI-P-2356840

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