Yuhong Holding Group Co., LTD.
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Brida de acero inoxidable ASTM A182 F53 UNS S32750 B16.5 Super Duplex2021-01-09 09:55:59 |
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ASTM A694 F52 F60 B16.5 forjó los rebordes de acero2020-12-17 14:05:33 |