National standard double wall bellow

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• Product name : National standard double wall bellow
• Product Categories : National standard double wall bellow
• Company name : Shandong Zhongse International Trade Co.,Ltd
• Email：sdzs@sdzsit.com

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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