Igor Alexandrovich Chekmarev

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Dnepropetrovsk, SU

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Patents Grantslast 30 patents

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Method and rolling mill for continuous tube rolling
- Patent number 4,095,447
- Issue date Jun 20, 1978
- Alexandr Andreevich Shevchenko
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...