Geologoproutshvatelno Predpriyatie

Organization

  • Sofia, BG

Patents Grantslast 30 patents

  • Information Patent Grant

    Face shock absorber

    • Patent number 4,776,436
    • Issue date Oct 11, 1988
    • Geologoproutshvatelno Predpriyatie
    • Nikolay D. Nenkov
    • E21 - EARTH DRILLING MINING