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O’tga chidamli shamotli mahsulotlar: PKhT № 1, 3, 6, 7, 9, 10, 11, 12, 14, 16, 19 aylanma pechlarini qoplash uchun yong'inga chidamli periklaza-xromit mahsulotlari — MXIK (IKPU) kodi 06902001020000462 · Tasnif by Krafta