TREA

Erik V. Pravednikov

Follow

Person

  • Tula, SU
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Roll mill stand
    • Patent number 4,198,841
    • Issue date Apr 22, 1980
    • Vladimir N. Vydrin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...