GB/T 9574-2017橡胶和塑料软管及软管组合件验证压力、爆破压力与最大工作压力的比率国家标准
英文:Rubber and plastics hoses and hose assemblies—Ratios of proof and burst pressure to maximum working pressure GB/T 957...
英文:Rubber and plastics hoses and hose assemblies—Ratios of proof and burst pressure to maximum working pressure GB/T 957...