Core head, type 1B-K12, Instruction bulletin
Т27 Г-6/57 английский/Core head, type 1B-K12 : Instruction bulletin / Vsesojuznoe objedinenie "Machinoexport".Core head, type 1B-K12 : Instruction bulletin / Vsesojuznoe objedinenie "Machinoexport".Core head, type 1B-K12 : Instruction bulletin.Μ./Vneshtorgizdat/, [1961] ( ). - Vneshtorgizdat, [1961]. - 4 с. : черт., вкл. обл. ; 22 см см.Core head, type 1B-K12 : Instruction bulletin. Μ., [1961] .Тг-184/"Machinoexport", v/o /