Condensation energy-saving low-nitrogen-emission gas normal-pressure heating boiler
The utility model belongs to the technical field of normal-pressure gas-fired boilers, and relates to a condensation energy-saving low-nitrogen emission gas-fired normal-pressure heating boiler whichcomprises a boiler body and a boiler chimney, and a smoke condensation device is arranged between a r...
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Format: | Patent |
Sprache: | chi ; eng |
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