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Qo’shtavr (qo’shtavrli balka): Ustun I-nur № 40K1, 40K2, 40K3, 40K4, 40K5 markasi 09G2S, 12G2S, boshqa past qotishma po'lat S345-S440 — MXIK (IKPU) kodi 07216001004000124 · Tasnif by Krafta