4. Measuring, testing, or signalling instruments
  5. Security or signal instrument or casing
  6. Alarm or control thereof

Juan Velazquez

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Detector for hazardous gases

Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent

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Drift correction for fiberoptic pressure sensors

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
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Profile ID: LFUS-PAI-P-1175196

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