GB/T 24474.2-2020.Measurement of ride quality-Part 2 : Escalators and moving walks. 1范围 GB/T 24474的本...

GB/T 39078.1-2020.Safety requirements for escalators and moving walks-Part 1: Essential safety requi...

GB/T 24803.3-2013.Safety requirements for lifts-Part 3: Prerequisites for certification of conformit...

GB/T 24803.4-2013.Safety requirements for lifts-Part 4: Certification and accreditation requirements...

GB/T 10238-2015.Oil well cement. 1范围 GB/T 10238规定了六个级别油井水泥的定义.要求、试验方法、标志、包装等. GB/T 10238适用于A.B、C.D.G...

GB/T 23314-2021.Neckties. 1范围 GB/T 23314规定了领带的术语和定义、要求、试验方法、检验规则以及标志、包装、运输和贮存。 GB/T 23314适用于以纺织机织物为主...

GB/T 12975-2021.General specification for synchronous generator in ships. 1范围 GB/T 12975规定了额定功率3 125...

GB 50040-2020.Standard for design of dynamic machine foundation. 1总则 1.0.1 为了确保动力机器基础设计的技术性能和工程质量,做到...

GB/T 51394-2020.Standard for load on hydraulic structures. 1总则 1.0.1 为统一水工结构设计的作用取值标准,使设计符合安全可靠、经济合理...

GB/T 29170-2012.Petroleum and natural gas industries-Drilling fluids-laboratory testing. 1范围 GB/T 29...