METHOD OF SEAMLESS TUBE PRODUCTION
ROMANTSEV BORIS ALEKSEEVICH, GONCHARUK ALEKSANDR VASIL'EVICH, GALKIN SERGEJ PAVLOVICH, ZIMIN VLADIMIR JAKOVLEVICH, BRODSKIJ MIKHAIL L'VOVICH
Year of Publication 10.07.2012
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Year of Publication 10.07.2012
Patent
METHOD OF SEAMLESS PIPE PRODUCTION AT THE AGGREGATE WITH SCREW PIERCING MACHINES AND CONTINUOUS LENGTHWISE ROLLING
ROMANTSEV BORIS ALEKSEEVICH, GONCHARUK ALEKSANDR VASIL'EVICH, GALKIN SERGEJ PAVLOVICH, ZIMIN VLADIMIR JAKOVLEVICH, BRODSKIJ MIKHAIL L'VOVICH
Year of Publication 10.02.2012
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Year of Publication 10.02.2012
Patent