Per Perman

Person

  • Sundsbruk, SE

Patents Grantslast 30 patents

  • Information Patent Grant

    Chip-washing arrangement

    • Patent number 5,882,509
    • Issue date Mar 16, 1999
    • Sunds Defibrator Industries AB
    • Per Perman
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE