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SWRF A105N SORF WNRF BLRF FLRF Lap Joint Pipe Flanges rosqueou2023-06-27 13:46:21 |
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Gost do En de Asme 20 flanges forjadas Pn10 Pn16 Pn25 Pn40 1/2 - 48 polegadas2023-11-24 14:09:35 |