4. Optics: measuring and testing
  5. Crystal or gem examination

Ronald Geurts

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Fluorescence measuring device for gemstones

Optics: measuring and testing – Inspection of flaws or impurities
Reexamination Certificate

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Fluorescence measuring device for gemstones

Optics: measuring and testing – Crystal or gem examination
Reexamination Certificate

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System and method for gemstone cut grading

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Mechanical measurement system
Reexamination Certificate

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Systems, apparatuses and methods for diamond color...

Optics: measuring and testing – Crystal or gem examination
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2560040

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