Iimveliso
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I-Asme SA-268 SA-268M ye-Stainess yentsimbi
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I-ASTM i-A500 yangaphambi kwentsimbi yentsimbi
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I-BS 1387 ishushu-dip ye-dipvanity yentsimbi
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I-ASTM A795 HOT-DIP-DIP ye-erw ye-erw yentsimbi yentsimbi
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I-ASTM A53 Gr.b iHip-Dip ye-Depvanity ye-WelDed Pipe
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I-ASTM A192 ASTM A179 ASTM A209 I-A209 I-A210 i-A210 bin ye-chibe ye-Ubushushu
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I-slotting pipe yentsimbi yendawo yokulawula
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I-oyile i-oyile kakuhle intsimbi yentsimbi 5ct L80 BTC R3
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API 5ct n80 R3 ping pile yentsimbi kakuhle