GB-T 4008-2024 锰硅合金
ISO 9327-1 1999 Steel forgings and rolled or forged bars for pressure purposes — Technical delivery conditions — Part 1 General requirements.pdf
ISO IEC 27003 2017 Information technology — Security techniques — Information security management systems — Guidance.pdf
ISO 13784-2 2020 Reaction-to-fire tests for sandwich panel building systems Part 2 Test method for large rooms.pdf
ISO 8226-2-1990Paper and board. Measurement of hygroexpansivity. Part 2_Hygroexpansivity up to a max.pdf
ISO 8165-1 1992 Water quality Determination of selected monovalent phenols Part 1 Gas-chromatographic method after enrichment by extraction.pdf
ISO 7753 2023 Nuclear criticality safety — Use of criticality accident alarm systems for oper.pdf
ISO 6944-1 2008 Fire containment — Elements of building construction — Part 1 Ventilation ducts.pdf
ISO 22074-1 2020 Railway infrastructure — Rail fastening systems — Part 1 Vocabulary.pdf
ISO 6511-1982Building construction. Modular coordination. Modular floor plane for vertical dimension.pdf
ISO 12213-1 2006 Natural gas Calculation of compression factor Part 1 Introduction and guidelines.pdf
GB-Z 42476-2023 公共安全 应急管理 信息交互结构.pdf
GB-T 9162-2001 关节轴承 推力关节轴承.pdf
GB-T 43873-2024 超薄玻璃退火上下限温度试验方法.pdf
GB-T 3903.10-2005 鞋类-内底试验方法-尺寸稳定性.pdf
GB-T 39522-2020 螺纹中径米制系列量针.pdf
GB-T 18714.3-2003 信息技术 开放分布式处理 参考模型 第3部分 体系结构.pdf
GB-T 16649.6-2001 识别卡 带触点的集成电路卡 第6部分 行业间数据元.pdf
GB-T 20789-2006 收获和贮存机械 圆捆打捆机 术语和商用规范.pdf
GB-T 35299-2017 信息技术 开放系统互连 对象标识符解析系统.pdf
GB-T 4008-2024 锰硅合金.pdf