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National standard double wall bellow

  • Product name : National standard double wall bellow
  • Product Categories : National standard double wall bellow
  • Company name : Shandong Zhongse Heavy Industry Co., Ltd.
  • Email：sdzs@sdzsit.com
  • WhatsApp: Yu Jinhai
Details


Executive standard for national standard double wall bellow,GB/T19472.1-2004  ring stiffness, ring flexibility, caliber, appearance size, impact, random inspection to ensure compliance!





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