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Individual
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Individual
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Priority to ES0212895UpriorityCriticalpatent/ES212895U/en
Publication of ES212895UpublicationCriticalpatent/ES212895U/en
Improved check valve, characterized in that it comprises an oscillating flap of conventional type but with the essential feature that it is mounted on an axis inside the stationary body of the valve so that the ends of said axis do not protrude nor carry equivalent hydraulic seals or closures in relation to said support body of the oscillating clapper, the hydraulic closure being carried out by the external part and affecting the entire stationary body of the valve. (Machine-translation by Google Translate, not legally binding)
ES0212895U1975-06-051975-06-05Improved check valve (Machine-translation by Google Translate, not legally binding)
PendingES212895U
(en)
Improvements in the construction of a mold to manufacture plastic frames on a single piece. (Machine-translation by Google Translate, not legally binding)
Mechanism of opening and closure that is actioned in the direction and sense of opening of the door. (Machine-translation by Google Translate, not legally binding)