Tuubbo Bir ah oo aan xuduud lahayn
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ASTM A213 / ASME SA213 T11 T22 Soo-saare Bir Daawaha ah oo aan kala go 'lahayn
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JIS G3454 STPG 370 Tuubooyinka Birta Kaarboon ee Adeegga Cadaadiska - Womic Steel Group
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Tuubooyinka ASTM A335 P91 Nooca 2 / P5 / P9 / P11 / P12 / P22
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Tuubooyinka Birta Daawaha ee aan kala go 'lahayn ee SA213 T22
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Tuubo Bir ah oo godan oo loogu talagalay marinnada dareeraha ee la xakameeyey
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Daboolka Ceelka Saliida ee Tuubada Birta ah API 5CT L80 BTC R3
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Tuubada Birta ee API 5CT N80 R3 ee Ceelka Saliida
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ASTM A106 GR.B Tuubo Bir ah oo aan kala go 'lahayn oo loogu talagalay biyaha
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Dhuumaha Birta ee aan kala go 'lahayn ee API 5L ee gaaska saliidda