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Individual
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Individual
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Publication of ES224778A3publicationCriticalpatent/ES224778A3/en
Respiratory Apparatuses And Protective Means
(AREA)
Materials For Medical Uses
(AREA)
Abstract
Perfections introduced in respiratory devices of the defined type, which consist in providing these devices with a mask that, independently of the usual window, is constituted by a transparent or at least translucent material, such as certain plastic materials and for example polyvinyl resins. (Machine-translation by Google Translate, not legally binding)
ES0224778A1955-05-111955-01-02Improvements introduced in respiratory equipment (Machine-translation by Google Translate, not legally binding)
ExpiredES224778A3
(en)
Improvements in facilities for the manufacture of fibers from thermoplastic materials, such as glass (Machine-translation by Google Translate, not legally binding)