00548naa#a2200181#i#450# EN\\bibl\606 20260224005451.2 2073-0462 20131024b2013####ek#y0engy0150####ca RUS RU Justification and determination the main parameters of spiral plate-type of work part Journal article Kazan Kazan state agrarian University 2013 5 с. Journal article local Bulgariev Gumar Galiaskarovich Yunusov Rafail naukaru.ru