NB-T 47019.8-2021 锅炉、热交换器用管订货技术条件 第8部分:钛和钛合金
ISO 3598 2011 Textile glass Yarns Basis for a specification.pdf
ISO TR 13195 2015 Selected illustrations of response surface method — Central composite design.pdf
ISO 4981 2023 Plastics piping systems for non-pressure underground conveyance.pdf
ISO 22329 2021 Security and resilience — Emergency management — Guidelines for the use of social media in emergencies.pdf
ISO 5179 2021 Investigation of brazeability with spreading and gap-filling test.pdf
ISO 21363 2020 Nanotechnologies — Measurements of particle size and shape distributions by transmission electron microscopy.pdf
ISO IEC 9798-2 2019 IT Security techniques — Entity authentication — Part 2 Mechanisms using authenticated encryption.pdf
ISO TS 5255-1 2022 Intelligent transport systems — Low-speed automated driving system (LSADS) service — Part 1 Role and functional model.pdf
ISO 6521-3 2019 Lubricants industrial oils and related products (Class L) Family D (compressors) Part 3 Specifications of categories DRA DRB DRC DRD DRE DRF and DRG (lubricants for refrigerating com.pdf
ISO 15610 2024 Specification and qualification of welding procedures for metallic m.pdf
GB-T 27668-2023 显微镜 光学显微术术语.pdf
GB-T 39348-2020 空间数据与信息传输系统 遥测同步与信道编码.pdf
GB-T 20967-2007 无损检测 目视检测 总则.pdf
GB-T 23558-2009 苄嘧磺隆可湿性粉剂.pdf
GB-T 16450-2004 常规分析用吸烟机 定义和标准条件.pdf
GB-T 10740-2002 纸浆尘埃和纤维束的测定.pdf
GB-T 25988-2010 道路车辆 牵引旅居挂车或轻型挂车的牵引连接装置 机械强度试验.pdf
GB-T 19400-2003 工业机器人 抓握型夹持器物体搬运 词汇和特性表示.pdf
GB-T 20085-2024 植物保护机械 词汇.pdf
GB-T 16503-1996 信息技术 平衡互换电路的电隔离.pdf