ISO 23604 2022 Method of determining specific surface area of coal
ISO 6016 2008 Earth-moving machinery Methods of measuring the masses of whole machines their equipment and components.pdf
ISO 15247 2015 Zinc sulfide concentrates Determination of silver content Acid dissolution and flame atomic absorption spectrometric method.pdf
ISO IEC 29151 2017 Information technology — Security techniques — Code of practice for personally identifiable information protection.pdf
ISO 8454 2024 Cigarettes — Determination of carbon monoxide in the vapour phase of cigarette smoke — NDIR method.pdf
ISO 17234-2 2011 Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 2 Determination of 4-aminoazobenzene.pdf
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ISO 12224-1 2024 Solder wire solid and flux-cored Specification and test methods Part 1 Classification and performance requirements.pdf
ISO 19596 2017 Admixtures for concrete.pdf
ISO 2975-3 1976 Measurement of water flow in closed conduits Tracer methods Part 3 Constant rate injection method using radioactive tracers.pdf
ISO 12782-4 2012 Soil quality — Parameters for geochemical modelling of leaching and speciation of constituents in soils and materials — Part 4 Extraction of humic substances from solid samples.pdf
GB-T 19887-2005 声学 可移动屏障声衰减的现场测量.pdf
GB-T 16630-2012 冷冻机油.pdf
GB-T 628-2011 化学试剂 硼酸.pdf
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GB-T 26480-2011 阀门的检验和试验.pdf
GB-T 31906-2015 纺织品 拒水溶液性 抗水醇溶液试验.pdf
GB-T 34588-2017 重型商用车辆 转弯制动 开环试验方法.pdf
GB-T 20159.1-2006 环境条件分类 环境条件分类与环境试验之间的关系及转换指南 贮存.pdf
GB-T 24183-2021 金属材料 薄板和薄带 制耳试验方法.pdf
GB-T 9161-2001 关节轴承 杆端关节轴承.pdf