TY JOUR TI THE RESEARCH OF THE WORKING MECHANISMKNIFERESOURCE FOR THEPIPELINE NON-TRENCH REPAIR KW resource KW disk knife KW working mechanism KW non-trench repair KW pipeline KW stand JO Bulletin of KSAU AU Shaykhadinov, A.A. AU Karpov, I.V. AU Ushakov, A.V. AU Menovshchikov, V.A. PY 2014 IS PB Krasnoyarsk State Agrarian University