ES121739U - Ceramic piece with internal cells not apparent exteriorment. (Machine-translation by Google Translate, not legally binding)
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Ceramic piece with internal cells not apparent exteriorment. (Machine-translation by Google Translate, not legally binding)
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Priority to ES121739UpriorityCriticalpatent/ES121739Y/en
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Publication of ES121739YpublicationCriticalpatent/ES121739Y/en
Ceramic piece with interior cells not apparent externally characterized by the fact that the piece that is of parallelepipedic form and of standardized proportions for billets tochanas or bricks presents in its interior longitudinal or transverse holes of any section in number and variable arrangement that go through the piece without reaching their external faces that are smooth and fluted and have no apparent holes. (Machine-translation by Google Translate, not legally binding)
ES121739U1966-04-291966-04-29
CERAMIC PIECE WITH INTERIOR CELLS NOT EXTERNAL APPEARING.
ExpiredES121739Y
(en)