Yuhong Holding Group Co., LTD
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Flangia ad alta pressione 300# ASME B16.5 di ASTM A182/SA182 F321 HBRF2022-08-22 17:18:05 |
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ASTM A182 F53, UNS S32750 Super duplex in acciaio inossidabile2023-12-29 16:07:47 |