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B16.5 ASTM A182 F53 / UNS S32750 Süper Dupleks Çelik Flens WNRF Flens2024-03-10 23:17:49 |
ASTM B564 UNS N02200 ASME B16.5 Dövme Çelik Flanşlar2020-12-01 15:55:30 |