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Qo’shtavr (qo’shtavrli balka): Ustun I-nur № 30K1, 30K2, 30K3, 30K4 markali St3sp/ps5, St3Gsp/ps, boshqa karbonli po'lat S235-S285 — MXIK (IKPU) kodi 07216001004000116 · Tasnif by Krafta