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Vladimir Nikolaevich Firsov

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  • Leningrad, SU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plasma arc torch
    • Patent number 4,055,741
    • Issue date Oct 25, 1977
    • David Grigorievich Bykhovsky
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR