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Mutengo wekutengesa GB/T9711 L485 Dhayamita hombe Q2 ...
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Kutengeswa Kunopisa Dhayamita Yakakura ASTM A252 GR.B Spiral W ...
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Tianjin Ehong Oiri neGasi zvemhando yepamusoro Api 5L C ...
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Tianjin fekitari erw spiral welded kabhoni simbi ...
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Q235B/Q345B/API5L SSAW Spiral Welded Steel Pipe ...
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Pombi yesimbi yakakombama yakakura yakachekwa simbi ...
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Pipe yesimbi yeSpiral Weld ine galvanized 36 inch. Yakanakisisa ...
