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Priority to ES98902UpriorityCriticalpatent/ES98902Y/en
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Publication of ES98902YpublicationCriticalpatent/ES98902Y/en
Pneumatic mechanism for operating machines and the like, characterized by comprising two rigid pistons with their inverted bases and a pneumatic chamber disposed between both pistons of inverted base and constituted by said pneumatic chamber by two elements endowed with elasticity and resistance to expansion and that between said two elastic elements can be interspersed with a perforated rigid element. (Machine-translation by Google Translate, not legally binding)
ES98902U1963-04-161963-04-16
Pneumatic mechanism to drive machines and the like
ExpiredES98902Y
(en)