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Nazorat klapanlari (barcha turdagi): sharli to'liq teshikli X3444V uglerodli po'latdan payvand choki bilan payvandlash, nominal bosim 6,3 MPa (63 kgf / sm2), nominal diametri 32 mm — MXIK (IKPU) kodi 08481001001002059 · Tasnif by Krafta