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...
英文:Rubber and plastics hoses and tubing—Measurement of flexibility and stiffness—Part 2: Bending tests at sub-ambient te...
英文:External inspection methodology for internal corrosion of liquid petroleum pipelines GB/T 34350-2017介绍: 国家标准《输油管道内腐蚀外...
英文:Flange connections GB/T 34635-2017介绍: 国家标准《法兰式管接头》由TC237(全国管路附件标准化技术委员会)归口上报及执行,主管部门为中国机械工业联合会。 主要起草单位中机生产力促进中心、建湖县特佳...
英文:External inspection methodology for internal corrosion of natural gas pipelines GB/T 34349-2017介绍: 国家标准《输气管道内腐蚀外检测方法》...
英文:Guidelines for risk based safety hazard classification of oil and gas pipelines GB/T 34346-2017介绍: 国家标准《基于风险的油气管道安全隐患...
英文:Plastic equipment for water saving irrigation—Part 1:Drip tape with labyrinth on one side GB/T 19812.1-2017介绍: 国家标准《塑...
英文:Plastic equipment for water saving irrigation—Part 2: Pressure compensating emitter and emitting pipe GB/T 19812.2-20...
英文:The pressure testing of steel pipelines for the transportation of petroleum, gas and highly volatile liquids GB/T 168...
英文:Plastic equipment for water saving irrigation—Part 3:Drip pipe and drip tape inlaid with emitters inside GB/T 19812.3...