4. Stoves and furnaces
  5. Hot-air furnaces
  6. Liquid or gaseous fuel

Norman E. Mattson

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Inlet/exhaust structure for an outdoor furnace

Heating – Heating or heat retaining work chamber structure – Door – cover or port
Patent

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Unit heater and heat exchanger therefor

Stoves and furnaces – Hot-air furnaces – Liquid or gaseous fuel
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Profile ID: LFUS-PAI-P-137028

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