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Welded & semi e leai ni paipa
WEMEDED & le mautonu - Vasega eseese i le ANROLY STEEL, CARBON STEEL, SPASRAND SHABLEC, PRASHAND CARBON SHABEL, SOPLES SHABLES, SOPLECS SHABEH, PRASLEC STERL, SOPLEC STEBES SICEBER, SOPLER E tusa ai ma le ASTM-106, API 5 l, Astm A53 vasega A-Astm A-333, ASTM A-330, BSD66: MMDSED PIP) ) O le lsaw, lsaw, hsaw, ef Way e tusa ai API 5l, ASTM A53 Vasega A / B, ASTM A-312: