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Georgy S. Safarov
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Belaya Kalitva Rostovskoi oblasti, SU
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last 30 patents
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Patent Grant
Backing device for a working roll of a roll stand
Patent number
4,212,504
Issue date
Jul 15, 1980
Nikolai I. Krylov
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...