美利体育登录入口官网:DIN EN ISO 7751:2017 橡胶和塑料软管和软管组件 试验压力和爆破压力对设计工作压力的比值(ISO 7751-2016);德文版本EN ISO 7751-2016
Rubber and plastics hoses and hose assemblies - Ratios of proof and burst pressure to maximum working pressure (ISO 7751:2016); German version EN ISO 7751:2016