00285cam a2200109ua 4500041001000000082002000010100001400030245007400044260004000118300001200158504000500170  aengh  a621.815bORL/FU  aOrlov, P.  aFundamentals of machine design, Vol.5 / cP.Orlov.hTextual Documents  aMoscow : bMir publishers , c1980.  a384 ; .  a