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O’tga chidamli shamotli mahsulotlar: MKS-90 № 4, 7, 9, 11, 12, 17, 25, 44, 45, 47 havo isitgichlarini yotqizish uchun yong'inga chidamli mullit-korund mahsulotlari — MXIK (IKPU) kodi 06902001020000406 · Tasnif by Krafta