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Edelstahl-nahtloses Rohr, ASTM A312/ASME SA312 TP321H 100% UND/UT /HT2023-06-07 15:53:36 |
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ASTM A815 S31803 Duplex-Edelstahl-Rückseil-Schweiß Y Tee-Rohrbelag B16.92024-03-18 13:06:25 |