vv_sokol » 08 February 2018г в 18:10
Добавил в [НЕСОРТИРОВАННОЕ]
Lomakin - Tsentrobezhniye i oseviye nasosi 1966.djvu
Abrosimov - Protivopozharnoye vodosnabzheniye 2003.pdf
Cherkasskiy - Nasosi, ventilyatori, kompressori 1984.djvu
Gorshkov - Nasosi 1947.djvu
Kanigin - Gidravlika 2014.pdf
Abramov - Protivopozharnoye vodosnabzheniye 2009.pdf