说明:收录全球国际标准 提供单次或批量下载
GB-T 31567-2015 用于空气-烟气、烟气-烟气再生式热交换器的搪瓷换热元件
ISO 22383 2020 Security and resilience Authenticity integrity and trust for products and documents Guidelines for the selection and performance evaluation of authentication solutions for material go.pdfISO 23247-4 2021 Automation systems and integration — Digital twin framework for manufacturing — Part 4 Information exchange.pdfISO 1151-4 1994 Flight dynamics — Concepts, quantities, and symbols — Part 4 Concepts and quantities used in the study of aircraft stability and control.pdfISO 9241-112 2017 Ergonomics of human-system interaction — Part 112 Principles for the presentation of information.pdfISO 5429 2012 Coated abrasives — Flap wheels with incorporated flanges or separate flanges.pdfISO 10121-2 2013 Test methods for assessing the performance of gas-phase air clea.pdfISO TS 21486 2022 Glass in building — Retesting requirements for laminated solar photovoltaic glass for use in buildings.pdfISO 23131 2021 Ellipsometry — Principles.pdfISO 9457-1 1991 Road vehicles Metric starter motor pinions Part 1 Currently used pinions.pdfISO-IEC 18367 2016 Information technology Security techniques Cryptographic algorithms and security mechanisms conformance testing.pdfGB-T 31567-2015 用于空气-烟气、烟气-烟气再生式热交换器的搪瓷换热元件.pdfGB-T 20505-2006 铝及铝合金阳极氧化 阳极氧化膜表面反射特性的测定 积分球法.pdfGB-T 5250-2014 可渗透性烧结金属材料 流体渗透性的测定.pdfGB-T 5273-2016 高压电器端子尺寸标准化.pdfGB-T 4337-2015 金属材料 疲劳试验 旋转弯曲方法.pdfGB-T 29712-2023 焊缝无损检测 超声检测 验收等级.pdfGB-T 16402-1996 声学 插入式耳机纯音基准等效阈声压级.pdfGB-T 8565.3-1988 信息处理 文本通信用编码字符集 第三部分 按页成象格式用控制功能.pdfGB-T 20198-2006 表面活性剂和洗涤剂-在碱性条件下可水解的阴离子活性物-可水解和不可水解阴离子活性物的测定.pdfGB-T 33323-2016 塑料 液体酚醛树脂 水溶性的测定.pdf
