00563naa#a2200181#i#450# EN\\bibl\66820 20251211030651.4 1998-8990 20170325b2017####ek#y0engy0150####ca RUS RU STRUCTURE OF FIRE SAFETY INVENTION PATENT IN RUSSIA (1994-2015) Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2017 5 с. Journal article local Evdokimov V I Potashev D A journals.igps.ru