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Dmitry Petrovich Evteev
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Moscow, SU
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Patents Grants
last 30 patents
Information
Patent Grant
Method of making billets
Patent number
4,288,907
Issue date
Sep 15, 1981
Julian M. Chumanov
B22 - CASTING POWDER METALLURGY
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Patent Grant
Method of rolling section billets
Patent number
4,204,416
Issue date
May 27, 1980
Julian M. Chumanov
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Grant
Device for cutting moving ingots, tube skelps and rolled stock
Patent number
3,948,131
Issue date
Apr 6, 1976
Sergei Vasilievich Yatsenko
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR