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      ANSI B16.34-1996 ·¨À¼ºÍ¶Ôº¸¶Ë¸ÖÖÆ·§ÃÅ 15~750 Cl150~2500 ͨÓÃ
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      BS 5160-1999 ͨÓøÖÖÆ½ØÖ¹·§£¬½ØÖ¹Ö¹»Ø·§ºÍÉý½µÊ½Ö¹»Ø·§ 10~450 1.6~4.0MPa

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