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Qo’shtavr (qo’shtavrli balka): Keng gardishli I-nurli № 100Sh1, 100Sh2, 100Sh3, 100Sh4 St3sp/ps5, St3Gsp/ps, boshqa karbonli po'lat S235-S285 — MXIK (IKPU) kodi 07216001004000161 · Tasnif by Krafta