Elena Yakovlevna Golovkina

Person

  • Minsk, SU

Patents Grantslast 30 patents

  • Information Patent Grant

    Device for electrical discharge forming

    • Patent number 4,030,329
    • Issue date Jun 21, 1977
    • Viktor Nikolaevich Chachin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device for electrical discharge forming

    • Patent number 4,027,515
    • Issue date Jun 7, 1977
    • Viktor Nikolaevich Chachin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...