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O’tga chidamli shamotli mahsulotlar: Olovga chidamli beton kremniy mahsulotlari BDK № 4, 5, 9, 10, 12, 21, 22, 23, 25, 26, 30, 34, 36, 38 — MXIK (IKPU) kodi 06902001020000014 · Tasnif by Krafta