Kayayyaki
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DIN 2445-Tabbataccen Tabbataccen Ƙarfe Tubus ɗin Bayanan Fasaha
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TS EN 10305 Bututun Karfe mara ƙarfi | Madaidaici, Inganci, da Isar da Duniya
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DIN 2391 Fayil ɗin Bayanan fasaha mara kyau
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ASTM A335 P91 Type 2 tubes / P5 / P9 / P11 / P12 / P22
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A213 T22 Alloy Karfe Tubes / Bututu
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Bututun jan ƙarfe, bututun jan ƙarfe mara iskar oxygen (OFC), C10100 (OFHC) Bututun jan ƙarfe mara ƙarancin iskar oxygen
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Yin simintin ƙarfe da samfuran ƙarfe na jabu
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ASME B16.9 A234 WPB Carbon Karfe Bututu Elbow
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ASME B16.9 A234 WPB Butt Weld Carbon Karfe Tee