GB 2893-2001 安全色
ISO 7203-3 2019 Fire extinguishing media — Foam concentrates — Part 3 Specification for low-expansion foam concentrates for top application to water-miscible liquids.pdf
ISO 20415 2019 Trusted mobile e-document framework — Requirements, functionalit.pdf
ISO 23404 2020 Information and documentation — Papers and boards used for conservation — Measurement of impact of volatiles on cellulose in paper.pdf
ISO 22479 2019 Corrosion of metals and alloys — Sulfur dioxide test in a humid atmosphere (fixed gas method).pdf
ISO 7755-2 2013 Hardmetal burrs — Part 2 Cylindrical burrs (style A).pdf
ISO 19012-4 2024 Microscopes Designation of microscope objectives Part 4 Polarization characteristics.pdf
ISO 12912 2014 Circular knitting machines — Vocabulary.pdf
ISO IEC 22275 2018 Information technology — Programming languages, their environments, and system software interfaces — ECMAScript? Specification Suite.pdf
ISO 17167 2018 Fine ceramics (advanced ceramics advanced technical ceramics) Mechanical properties of monolithic ceramics at room temperature Determination of flexural strength by the ring-on-ring t.pdf
ISO TR 24471 2019 Brazing — Grouping systems for materials — American materials.pdf
GB-T 25759-2010 无损检测 数字化超声检测数据的计算机传输数据段指南.pdf
GB-T 7594.5-1987 电线电缆橡皮绝缘和橡皮护套 第5部分 65℃一般不延燃橡皮护套.pdf
GB-T 26646-2011 无损检测 小型部件声发射检测方法.pdf
GB-T 19746-2018 金属和合金的腐蚀 盐溶液周浸试验.pdf
GB-T 3597-2002 肥料中硝态氮含量的测定 氮试剂重量法.pdf
GB-T 21754-2008 化学品 28天-14天重复剂量吸入毒性试验方法.pdf
GB-T 7111.3-2002 纺织机械噪声测试规范 第3部分 非织造布机械.pdf
GB-T 8808-1988 软质复合塑料材料剥离试验方法.pdf
GB-T 10068-2020 轴中心高为56mm及以上电机的机械振动 振动的测量、评定及限值.pdf
GB-T 16901.1-2008 技术文件用图形符号表示规则 第1部分 基本规则.pdf