METHOD OF STEP ROLLING
VOROBEV NIKOLAJ I,SU, DREMIN VLADIMIR G,SU, OLEJNIK VLADIMIR I,SU, KOPPEL IVAN A,SU, LITOVCHENKO ALEKSEJ P,SU, KOVAL GRIGORIJ I,SU, VYDRIN VLADIMIR N,SU, GNINENKO VLADISLAV A,SU, CHINYAEV VITALIJ I,SU
Year of Publication 23.01.1990
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Year of Publication 23.01.1990
Patent