messages: I need this document translated to French.
  
  "Moreover, the device comprises a second piston means 56 mounted slideably in the bore 12 and coupled to the first piston means 34 by a spring 58."
messages: user
messages: "Le dispositif comprend, de plus, un deuxième moyen de piston 56 monté à coulissement dans l'alésage 12 et couplé au premier moyen de piston 34 par un ressort 58."
messages: assistant