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Individual
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Individual
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Priority to ES1971173683UpriorityCriticalpatent/ES173683Y/en
Publication of ES173683UpublicationCriticalpatent/ES173683U/en
Application grantedgrantedCritical
Publication of ES173683YpublicationCriticalpatent/ES173683Y/en
Removable frames, characterized essentially by consisting of exaects that have normal extensions to their faces, all whose extensions have equal hollow termination with internal section also equal in all of them. (Machine-translation by Google Translate, not legally binding)