AQ 6110-2025 呼吸防护 压缩空气呼吸器安全使用维护技术规范
ISO 20290-5 2023 Aggregates for concrete — Test methods for mechanical and physical properties — Part 5 Determination of particle size distribution by sieving method.pdf
ISO 8879 1986 Information processing — Text and office systems — Standard Generalized Markup Language (SGML).pdf
ISO IEC 23090-10 2022 Cor 1 2023 Information technology — Coded representation of immersive media — Part 10 Carriage of visual volumetric video-based coding data — Technical Corrigend.pdf
ISO 5463 2024 Geometrical product specifications (GPS) Rotary axis form-measuring instruments Design and metrological characteristics.pdf
ISO-IEC 11801-3 2017 AMD1 2021 CSV Information technology - Generic cabling for customer premises - Part 3 Industrial premises.pdf
ISO IEC 62264-2-2013 Enterprise-control system integration –.pdf
ISO 26082-2 2012 Leather — Physical and mechanical test methods for the determination of soiling — Part 2 Tumbling method.pdf
ISO 14404-3 2024 Calculation method of carbon dioxide emission intensity from iron and steel production Part 3 Steel plant with electric arc furnace (EAF) and coal-based or gas-based direct reduction.pdf
ISO 11298-4 2021 Plastics piping systems for renovation of underground water supply networks — Part 4 Lining with cured-in-place pipes.pdf
ISO 3628 1994 Photography — Processing chemicals — Specifications for boric acid, granula.pdf
GB-T 19549-2004 纺织机械与附件 纺部机械 左右侧定义.pdf
GB-Z 43521-2023 海洋温差能转换电站设计和分析的一般指南.pdf
GB-T 17701-2008 设备用断路器.pdf
GB-T 27203-2016 合格评定 用于人员认证的人员能力词汇.pdf
GB-T 44494-2024 家用和类似用途制冷器具 食品保鲜.pdf
GB-T 3906-2020 3.6 kV~40.5 kV交流金属封闭开关设备和控制设备.pdf
GB-T 21737-2022 为消费者提供产品及相关服务的信息.pdf
GB-T 7618-1987 在数据通信领域中通常同集成电路设备一起使用的非平衡双流接口电路的电气特性.pdf
GB-T 31565-2015 热交换器用钢板搪瓷边缘覆盖率的测定.pdf
GB-T 2351-2021 流体传动系统及元件 硬管外径和软管内径.pdf