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

Tuck Wah Ng

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High sensitivity scanning probe system

Optics: measuring and testing – By light interference – For dimensional measurement
Reexamination Certificate

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Stabilized laser plumb

Geometrical instruments – Straight-line light ray type – Alignment device
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2695478

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