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Priority to ES0032309UpriorityCriticalpatent/ES32309Y/en
Publication of ES32309UpublicationCriticalpatent/ES32309U/en
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Publication of ES32309YpublicationCriticalpatent/ES32309Y/en
New pneumatic pressure device, especially suitable for the process of waterproofing concrete pipes, characterized by being formed by a body of circular or polygonal section, of plastic material or similar, suitable, elongated and with two vertical walls opponents that form its extreme faces, in one of which a spigot or valve adaptable to any kind of machine producing air, gas or liquid at high pressure has been placed. (Machine-translation by Google Translate, not legally binding)
ES0032309U1952-08-191952-08-19
New pneumatic pressure apparatus
ExpiredES32309Y
(en)
A procedure and device for the control of degradation processes and molecular synthesis of fluid, gaseous and aerial moved media, and for the accuracy of mechanical performance increases (Machine-translation by Google Translate, not legally binding)
A procedure and device for the manufacture of hollow rubber articles by vulcanization, by direct pressure of compressed air (Machine-translation by Google Translate, not legally binding)
A device to produce posts, beams and other profiled bodies of concrete or similar material (Machine-translation by Google Translate, not legally binding)