GB/T 39150-2020.Recycled selenium material.1范围GB/T 39150规定了回收硒原料的术语和定义、分类、技术要求、试验方法、检验规则、标志、包装、运输...
GB/T 39213-2020.Dredging track and profile monitor.1范围GB/T 39213规定了挖泥船疏浚轨迹与剖面显示系统的要求、试验方法、检验规则以及标志、包装.运...
GB/T 39197-2020.Principle and requirement for material flow data collection of general solid waste.1范围GB/T 39197规定了一般固体废物物质流数据采集的原则、内容、...
GB/T 39198-2020.Classification and code for general solid waste.1范围GB/T 39198规定了一般固体废物的分类、分类代码编制规则、分类代码示例。GB/T 39198适用...
GB/T 39199-2020.Characterization and testing methods of recycled polyethylene (PE).1范围GB/T 39199规定了聚乙烯(PE)塑料再生料的重要表征特性、检测方法及质量保...
GB/T 39202-2020.Guide for circular economy evaluating-Iron and steel industry.1范围GB/T 39202规定了钢铁企业循环经济评价的基本要求、循环经济指标、循环经济...
GB/T 39139.1-2020.Shale gas-Environmental protection-Part 1 : Pollution prevention and disposal methods for drilling operation.1范围GB/T 39139的本部分规定了页岩气钻井作...
GB/T 39142.1-2020.Specification of plastic-steel bilayer self-lubricating materials-Part 1 : Running-in layer with modified PTFE tape.1范围GB/T 39142的本部分规定了表面塑料...
GB/T 39173-2020.Smart factory-The effectiveness assessment methods of safety monitoring.1范围GB/T 39173规定了安全监测有效性评估方法的一-般要求,火焰、可燃气体...
GB/T 39127-2020.Numerical control system of machine tool-Usage and maintenance specification.1范围GB/T 39127规定了机床数控系统在使用与维护方面的技术要求。GB...