Pavel M. Vetchinkin

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Tashkent, SU

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Patents Grantslast 30 patents

Information Patent Grant
Tool for electrical discharge piercing of intricately-shaped holes...
- Patent number 4,721,838
- Issue date Jan 26, 1988
- Erkin T. Abdukarimov
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR