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Individual
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Individual
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Priority to ES1970161574UpriorityCriticalpatent/ES161574Y/en
Publication of ES161574UpublicationCriticalpatent/ES161574U/en
Application grantedgrantedCritical
Publication of ES161574YpublicationCriticalpatent/ES161574Y/en
An improved calorific apparatus, which is essentially characterized by being based on the elementality of a single maneuver of tongue and groove fitting of various types, on the different pieces, if, relegating at the end of the operation, the intervention of a single bolt for screwing of the nail cover, with which the central box of the appliance is closed and secured. (Machine-translation by Google Translate, not legally binding)
ES1970161574U1970-09-111970-09-11
A PERFECTED HEATING APPLIANCE.
ExpiredES161574Y
(en)
Perfected procedure for the assembly of the different elements in calorifier appliances. (Machine-translation by Google Translate, not legally binding)