DB52-T 1755-2023 山地旅游示范区建设规范 贵州省
ISO 7056 1981 Plastics laboratory ware — Beakers.pdf
ISO 8799 2009 Surface active agents — Sulfated ethoxylated alcohols and alkylphenols — Determination of content of unsulfated matter.pdf
ISO 8332 2018 Rubber compounding ingredients — Sulfur — Methods of test.pdf
ISO 28902-1 2012 Air quality — Environmental meteorology — Part 1 Ground-based remote sensing of visual range by lidar.pdf
ISO 141-1976Textile machinery and accessories. Pirn winders and cross winders. Definition of left an.pdf
ISO 7902-1 2020 Hydrodynamic plain journal bearings under steady-state conditions — Circular cylindrical bearings — Part 1 Calculation procedure.pdf
ISO 6316 2012 Hot-rolled steel strip of structural quality.pdf
ISO 80000-12 2019 Quantities and units — Part 12 Condensed matter physics.pdf
ISO 4783-1 1989 Industrial wire screens and woven wire cloth Guide to the choice of aperture size and wire diameter combinations Part 1 Generalities.pdf
ISO IEC 29168-2 2011 Information technology — Open systems interconnection — Part 2 Procedures for the object identifier resolution system operational agency.pdf
GB-T 15397-1994 电影录音控制室、鉴定放映室及室内影院A环、B环电声频率响应特性测量方法.pdf
GB-T 25047-2016 金属材料 管 环扩张试验方法.pdf
GB-T 44418-2024 康复辅助器具 认知无障碍指南 日常时间管理.pdf
GB-T 41156-2021 外墙砖用弹性胶粘剂.pdf
GB-T 13999-1992 35mm电影拷贝上光学双声迹的位置和宽度尺寸.pdf
GB-T 3087-2008 低中压锅炉用无缝钢管.pdf
GB-T 34110-2017 信息与文献 文件管理体系 基础与术语.pdf
GB-T 17669.3-1999 建筑石膏 力学性能的测定.pdf
GB-T 21799-2008 化学品 小鼠斑点试验方法.pdf
GB-T 17867-2023 汽车手操纵件、指示器及信号装置的位置.pdf