Home / Standards / GB/T 21477 GB/T 21477 Active Ships and marine technology—Fire resistance of non-metallic hose assemblies and non-metallic compensators—Test methods 船舶与海上技术 非金属软管组件和非金属补偿器的耐火性能 试验方法 Standard Type GBT ICS 47.020.50 CCS U23 Status 现行 Issue Date 2024-10-26 Implementation 2025-02-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委