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Individual
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Individual
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Priority to ES0011681UpriorityCriticalpatent/ES11681Y/en
Publication of ES11681UpublicationCriticalpatent/ES11681U/en
Application grantedgrantedCritical
Publication of ES11681YpublicationCriticalpatent/ES11681Y/en
A thermos bottle, which is characterized by having a protective covering or wrapping only in its bottom part, the external wall of the double ampoule constituting the thermos itself being arranged directly to the outside, which, in order to increase its resistance, is provided with reliefs in the form of projections and depressions, forming reinforcement ribs, preferably arranged in the direction of the generatrices of its cylindrical section. (Machine-translation by Google Translate, not legally binding)
ES0011681U1945-06-151945-06-15
A bottle thermos
ExpiredES11681Y
(en)