Eero Hirvisaari

Person

  • 33950 Pirkkala 5, SF

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic drilling machine

    • Patent number 4,064,950
    • Issue date Dec 27, 1977
    • Pekka Salmi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR