GB-T 46611-2025 电光调制器用铌酸锂单晶薄膜
ISO 2596 2006 Iron ores Determination of hygroscopic moisture in analytical samples Gravimetric Karl Fischer and mass-loss methods.pdf
ISO 10848-3 2017 Acoustics Laboratory and field measurement of flanking transmission for airborne impact and building service equipment sound between adjoining rooms Part 3 Application to Type B ele.pdf
ISO 8311 2013 Refrigerated hydrocarbon and non-petroleum based liquefied gaseous fuels — Calibration of membrane tanks and independent prismatic tanks in ships — Manual and internal.pdf
ISO 20291-1 2021 Air cargo — Restraint slings — Part 1 Design and testing.pdf
ISO 9241-221 2023 Ergonomics of human-system interaction — Part 221 Human-centred desig.pdf
ISO 15784-2 2024 Intelligent transport systems Data exchange involving roadside modules communication Part 2 Centre to field device communications using Simple Network Management Protocol (SNMP).pdf
ISO 4723 2023 Water quality — Actinium-227 — Test method using alpha-spectrometry.pdf
ISO 4948-2 1981 Steels Classification Part 2 Classification of unalloyed and alloy steels according to main quality classes and main property or application characteristics.pdf
ISO IEC 13335-4 信息技术安全管理指导方针-安全措施的选择.pdf
ISO TR 21954 2018 Guidance on the selection of the appropriate means of ventilation based on the intended patient, use environment, and operator.pdf
GB-T 7901-2018 黑胡椒.pdf
GB-T 23661-2022 建筑用橡胶结构密封垫.pdf
GB-T 1453-2005 夹层结构或芯子平压性能试验方法.pdf
GB-T 18807-2002 信息技术 130 mm盒式光盘上的数据交换容量 每盒1.3 G字节.pdf
GB-T 6994-2006 船舶电气设备 定义和一般规定.pdf
GB-T 21814-2008 工业废水的试验方法 鱼类急性毒性试验.pdf
GB-T 36878-2018 密封胶抗撕裂强度的测定.pdf
GB-T 23356-2024 卷烟 烟气气相中一氧化碳的测定 非散射红外法.pdf
GB-T 26609-2011 工业用乙酸异丁酯.pdf
GB-T 41809-2022 超高清晰度电视系统节目制作和交换参数值.pdf