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EN10253-2 13CRMO4-5 ALIN KAYNAKLI KARBON ÇELİK BORU EK PARÇALARI2023-03-27 15:36:34 |
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ASTM A105 / A105N NACE0175-03 ÇELİK FLANŞ, FF / RF / RTJ, B16.5 B16.472023-07-07 16:36:52 |