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O’tga chidamli shamotli mahsulotlar: MLU-69 № 4, 7, 9, 11, 12, 17, 25, 44, 45, 47 havo isitgichlarini yotqizish uchun yong'inga chidamli mullit mahsulotlari — MXIK (IKPU) kodi 06902001020000341 · Tasnif by Krafta