Dhuumaha birta ah ee aan cillad lahayn
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Dhuumaha birta ah ee Daloosan ee marinka dareeraha ee la xakameeyey
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Saliida Ceelka Daboosha Birta Birta API 5CT L80 BTC R3
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API 5CT N80 R3 Dhuumaha Birta Casing ee Ceelka Saliidda
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ASTM A106 GR.B birta birta ah ee aan sinnayn ee biyaha
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API 5L Dhuumaha Biraha ee aan Xumaan lahayn ee Gaaska Saliidda
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API 5L ASTM A106 A333 ama A335 Tuubbooyinka Birta Kaarboonka ah
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API 5CT, J55, K55, L80, N80 Birta ka samaysan iyo tuubo
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API 5CT Dhuumaha Birta Kaarboonka ee Mashaariicda qodista
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ASTM A333, ASTM A335, ASTM A387, ASTM A213/213M Alloy Steel Tubooyinka