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Individual
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Priority to ES0210391ApriorityCriticalpatent/ES210391A1/en
Publication of ES210391A1publicationCriticalpatent/ES210391A1/en
Improvements in the construction of hot water boilers that are connected to the forced circulation of a heating installation with a heating surface consisting only of tubes characterized because for the heating surface of the boiler at least for the strongly heated groups of pipes special reflux tubes are provided which are located at the corners of the cross section of the boiler and which together with longitudinal and transverse upper and lower links form a boiler frame consisting of tubes. (Machine-translation by Google Translate, not legally binding)
ES0210391A1953-07-141953-07-14Improvements in the construction of hot water boilers (Machine-translation by Google Translate, not legally binding)
ExpiredES210391A1
(en)
Improvements in the construction of hot water boilers for forced circulation heating facilities. (Machine-translation by Google Translate, not legally binding)
Perfections in central heating boilers provided with a current water heating water device. (Machine-translation by Google Translate, not legally binding)
Device to link the hot water inlet tubular and the cold water tubularity of a water heater by gas-coated circulation. (Machine-translation by Google Translate, not legally binding)