Mark E. Doktorov

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Kharkov, SU

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Patents Grantslast 30 patents

Information Patent Grant
Roll-forming machine for making articles having cross-sectional con...
- Patent number 4,558,577
- Issue date Dec 17, 1985
- Ukrainsky Nauchnoissledovatelsky Institut Metallov
- Igor S. Trishevsky
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...