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MS 1.5D do STD cotovelo longo ASME ASTM A420 WPL6 do raio de 90 graus2023-09-06 17:01:38 |
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2D 3D cotovelo A420 WPL3 EN10253-2 2mm-20mm da tubulação de aço de 180 graus2023-07-14 15:12:51 |
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6" PED Buttweld API Seamless DN200-DN2000 dos encaixes do aço carbono2022-05-02 19:54:41 |