Jean-Luc Derrien

Person

  • Pordic, FR

Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe couplings

    • Patent number 5,016,922
    • Issue date May 21, 1991
    • Chaffoteaux et Maury
    • Joseph Le Mer
    • F24 - HEATING RANGES VENTILATING