Ibicuruzwa
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ASTM A106 GR.B umuyoboro utagira inenge wamazi
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API 5L Umuyoboro wa Stead kuri gaze ya peteroli
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API 5L ASTM A106 A333 cyangwa A335 Ibyuma bitagira ingano
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API 5CT, J55, K55, L80, N80 Icyuma Cising & Tubing
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API 5CT ibyuma bya karubone
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ASTM A333, ASTM A335, ASTM A387, ASTM A213 / 213M ALLY SHAKA
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ASTM A192, ASTM A179, ASTM A209, ASTM A210 Icyuma Cyuma Cubes
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Kurwanya amashanyarazi gusudira stw stpeel pipes Horw steel tubes
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Sans 657-3, EN 10305, DIN 2391 Precional Steel Pipes / Tubes