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Priority to ES1968144363UpriorityCriticalpatent/ES144363Y/en
Publication of ES144363UpublicationCriticalpatent/ES144363U/en
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Publication of ES144363YpublicationCriticalpatent/ES144363Y/en
By a portable air breathing apparatus by tubular conduit, characterized essentially by a casing of circular section, of light material, inside which is mounted an electro-fan with propulsion turbine, forming a group aspiador-impulsador of air, and provided, said casing, with two orifices, one for air inlet and one for outlet, to which are conveniently coupled hollow and flexible pipes. (Machine-translation by Google Translate, not legally binding)
ES1968144363U1968-12-301968-12-30
PORTABLE TUBULAR DUCT AIR BREATHING APPARATUS.
ExpiredES144363Y
(en)
New device for suction of the water absorbed inside the molds for the manufacture of asbestos-cement pipes and similar (Machine-translation by Google Translate, not legally binding)