00598naa#a2200181#i#450# EN\\bibl\58898 20241124215250.7 2312-3184 20170625b2017####ek#y0engy0150####ca RUS RU THE TEST OF GYPSUM BOARD FRAME BY MAGNETIC METHOD IN THE PERFORMANCE OF FIRE-TECHNICAL EXAMINATION Journal article Irkutsk East Siberian institute of the Ministry of Internal Affairs of the Russian Federation 2017 10 с. Journal article local Malysheva S F Plotnikova G V kvsz.ru