Jerin Farashin
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API 5L/ASTM A106 GR.B, SSAW Carbon Karfe Bututu
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API 5L/ASTM A106 GR.B, LSAW Carbon Karfe Bututu
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API 5L/ASTM A106 GR.B, ERW Carbon Karfe Bututu
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API 5L/ASTM A106 GR.B, Carbon Karfe Bututu mara kyau
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API 5L/ASTM A53 GR.B, KARFE KARFE, SSAW STEEL PIPE
API 5L/ASTM A53 G.B 7 576 576 576 576 576 576 576 576 壁厚 (mm) 7 567 567 567 567 576 576 576 576 576 576 576 576 8 567 ...Kara karantawa -
API 5L/ASTM A106 GR.B, Carbon Karfe Bututu mara kyau