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Una bomba manual de inflar, caracterizada por consistir en un cuerpo troncocónico flexible en forma de fuelle, cuyas bases son sendas placas rígidas que llevan los orificios de entrada y salida respectivamente, y sendas válvulas unidireccionales de membrana; quedando comprendido dentro del cuerpo flexible un resorte antagonista apoyado en ambas bases, existiendo asimismo una brida de plegado que retiene el cuerpo flexible en posición comprimida.
ES0074379U1959-06-041959-06-04Una bomba manual de inflar
PendingES74379U
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