NATURAL CIRCULATION HEATING MULTI-PURPOSE PRESSURELESS WATER BOILER

The utility model relates to a natural circulation heating multipurpose hot water boiler without pressure, which is composed of a base, hot water tanks, a fold line type flue with a variable cross section running through the hot water tanks, an automatic water compensating apparatus, an atmospheric...

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Bibliographische Detailangaben
1. Verfasser: REN LANMIN
Format: Patent
Sprache:eng
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