4. Measuring, testing, or signalling instruments
  5. Measuring, regulating or indicating instrument, or casing
  6. Temperature, humidity, atmospheric condition

David Ping Lai Lui

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Timer switch

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate

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Wall plate temperature and humidity sensor

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Design Patent

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Profile ID: LFUS-PAI-P-2510175

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