Stefan P. Minchev

Person

  • Gabrovo, BG

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for hydromechanical cleaning and polishing

    • Patent number 4,660,326
    • Issue date Apr 28, 1987
    • N P S P po Hydroplastichna Obrabotka na Metalite
    • Georgi K. Petkov
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...