GB-T 4873-1985 信息处理用连续格式纸 尺寸和输送孔
ISO 8270 2023 Windows and doors — Determination of the resistance to soft and heavy body impact for doors.pdf
ISO 21219-19 2023 Intelligent transport systems — Traffic and travel information (TTI) via tr.pdf
ISO 148-3 2016 Metallic materials Charpy pendulum impact test Part 3 Preparation and characterization of Charpy V-notch test pieces for indirect verification of pendulum impact machines.pdf
ISO 3665 2011 Photography — Intra-oral dental radiographic film and film packets — Manufacturer specifications.pdf
ISO 8954-1 1990 Ferroalloys — Vocabulary — Part 1 Materials.pdf
ISO 18249 2015 Non-destructive testing Acoustic emission testing Specific methodology and general evaluation criteria for testing of fibre-reinforced polymers.pdf
ISO 4948-1 1982 Steels Classification Part 1 Classification of steels into unalloyed and alloy steels based on chemical composition.pdf
ISO 16073-3 2019 Wildland firefighting personal protective equipment — Requirements and test methods — Part 3 Clothing.pdf
ISO 23409 2011 Male condoms — Requirements and test methods for condoms made from synthetic materials.pdf
ISO TR 7250-4 2023 Basic human body measurements for technological design — Part.pdf
GB-T 14815.1-1993 信息处理 图片编码表示 第一部分 在七位或八位环境中图片表示的编码原则.pdf
GB-T 223.17-1989 钢铁及合金化学分析方法 二安替比林甲烷光度法测定钛量.pdf
GB-T 30542-2014 文件管理 130mm光盘存储信息的监测和验证.pdf
GB-T 19977-2014 纺织品 拒油性 抗碳氢化合物试验.pdf
GB-T 19764-2005 优先数和优先数化整值系列的选用指南.pdf
GB-T 39327-2020 船用发动机湿式排气系统用橡胶和塑料软管 规范.pdf
GB-Z 31102-2014 软件工程 软件工程知识体系指南.pdf
GB-T 4873-1985 信息处理用连续格式纸 尺寸和输送孔.pdf
GB-T 17743-2021 电气照明和类似设备的无线电骚扰特性的限值和测量方法.pdf
GB-T 19216.23-2003 在火焰条件下电缆或光缆的线路完整性试验 第23部分 试验步骤和要求 数据电缆.pdf