4. Measuring, testing, or signalling instruments
  5. Measuring, regulating or indicating instrument, or casing
  6. Food preparation type

Erin D. Spring

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Device for reproducible positioning of optical surfaces

Optical: systems and elements – Prism
Reexamination Certificate

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Refractometer

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Food preparation type
Patent

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Profile ID: LFUS-PAI-P-1487291

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