Home / Standards / GB/T 9574-2017 GB/T 9574-2017 Active Rubber and plastics hoses and hose assemblies—Ratios of proof and burst pressure to maximum working pressure 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 Standard Type GBT ICS 23.040.70 CCS G42 Status 现行 Issue Date 2017-09-07 Implementation 2018-04-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A