4. Electric resistance heating devices
  5. Heating devices
  6. Immersion heater details

Subbu Thenappan

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Differently configured fuel-fired water heaters constructed...

Liquid heaters and vaporizers – Stand boiler – And casing feature for stand boiler or external water tank...
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Instantaneous fuel-fired water heater with low temperature...

Liquid heaters and vaporizers – Stand boiler – Heated by liquid or steam
Reexamination Certificate

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Multi-position point of use electric water heater

Electric resistance heating devices – Heating devices – Immersion heater details
Reexamination Certificate

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Pumpless combination instantaneous/storage water heater system

Electric resistance heating devices – Heating devices – Continuous flow type fluid heater
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2021101

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