TY JOUR TI SYSTEMS OF FOAM FIRE EXTINGUISHING OF FIRE TRUCKS. NEW TECHNOLOGIES, PROBLEMATIC ISSUES AND PERSPECTIVES KW electronic dosing system and a foaming agent injection KW compression foam KW pump unit KW experimental method KW technology supply JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Presnov, A.I. AU Danilevich, A.V. PY 2015 IS 2015 PB Saint-Petersburg University of State Fire Service of Emercom of Russia