B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
B25D9/14—Control devices for the reciprocating piston
Ensemble de connexion par vissage entre un amplificateur de freinage et un circuit de depression d'un vehicule et amplificateur de freinage equipe d'un tel ensemble.