Yuhong Holding Group Co., LTD
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ANSI B16.5 ASTM A182 / ASME SA182 F22 Flanche in acciaio in lega forgate2025-08-13 17:40:36 |
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ASTM A234 WP5 CL1 / CL3 Acciaio legato riduttore eccentrico B16.9 BW2025-02-14 17:31:18 |