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Convector room heater incorporating a hot water boiler
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1983-01-11
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Hot air furnace
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Wood burning heater providing improved uniform temperature output
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1991-01-16
Improvements in or relating to back boilers
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2021-10-08
一种自动助燃控温型热风热水燃煤炉
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Cooking and heating stove.
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1917-07-10
Draft device for stoves and furnaces.
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Improvement in hot-air furnaces
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1905-01-24
Combined hot air and water heater.
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Система подготовки топлива
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1904-01-05
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Improvement in reservoir cooking-stoves