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Individual
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Individual
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Priority to ES1980252547UpriorityCriticalpatent/ES252547Y/en
Publication of ES252547UpublicationCriticalpatent/ES252547U/en
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Publication of ES252547YpublicationCriticalpatent/ES252547Y/en
Perforated isothermal vessel, characterized essentially by the fact of being constituted in a material of high thermal insulating power, preferably expanded polystyrene, which makes it possible to thermally isolate the contents of its environment and prolong the temperature of said content. (Machine-translation by Google Translate, not legally binding)
Improved perfections in the heating appliances, especially in the catalysis, feeded by gas. (Machine-translation by Google Translate, not legally binding)