4. Optics: measuring and testing
  5. Inspection of flaws or impurities
  6. Bore inspection

Erich Retzer

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Method and equipment for speedy preparation of test liquids

Chemistry: physical processes – Physical processes – Crystallization
Patent

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Method of preparing liquid samples for testing

Chemistry: physical processes – Physical processes – Crystallization
Patent

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Photometer

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Chemical
Patent

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Portable photometer

Optics: measuring and testing – Inspection of flaws or impurities – Bore inspection
Patent

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Test vessel

Optics: measuring and testing – Sample – specimen – or standard holder or support – Fluid containers
Patent

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Profile ID: LFUS-PAI-P-155677

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