TREA

Alexander S. Petrov

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  • Sofia, BG
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of and apparatus for the pressworking of articles
    • Patent number 4,420,964
    • Issue date Dec 20, 1983
    • V M E I "Lenin"
    • Alexander S. Petrov
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Power press
    • Patent number 4,343,175
    • Issue date Aug 10, 1982
    • Vmei "Lenin" - Centar Po Robotika
    • Alexander S. Petrov
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...