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Individual
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Individual
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Priority to ES137371UpriorityCriticalpatent/ES137371U/en
Publication of ES137371UpublicationCriticalpatent/ES137371U/en
Protective mouth covers essentially characterized by consisting of an elongated piece of a flexible and slightly elastic porous material provided on each of its ends with a rounded opening that allows the piece to be engaged on the face and protecting the openings of the nose and of the mouth. The mouth with retention in the ears of its user. (Machine-translation by Google Translate, not legally binding)
ES137371U1968-03-131968-03-13Protective cover (Machine-translation by Google Translate, not legally binding)
PendingES137371U
(en)