GB-T 43220-2023 固体生物质燃料中砷的测定方法
ISO 11677-2 1994 Textile machinery and accessories — Main dimensions of flat steel healds with open end loops — Part 2 J-shaped end loops.pdf
ISO-IEC 23002-2 2008 Information technology - MPEG video technologies - Part 2 Fixed-point 8 8 inverse discrete cosine transform and discrete cosine transform.pdf
ISO 5815-1 2019 Water quality — Determination of biochemical oxygen demand after n days (BODn) — Part 1 Dilution and seeding method with allylthiourea addition.pdf
ISO 17607-4 2023 Steel structures — Execution of structural steelwork — Part 4 Erection.pdf
ISO 23864 2021 Non destructive testing of welds Ultrasonic testing Use of automated total focusing technique (TFM) and related technologies.pdf
ISO 17269 2000 Passenger car tyres Methods for measuring rolling circumference Loaded new tyres.pdf
ISO 5526 2013 Cereals, pulses and other food grains — Nomenclature.pdf
ISO 6259-1 2015 Thermoplastics pipes — Determination of tensile properties — Part 1 General test method.pdf
ISO 7539-5 1989 Corrosion of metals and alloys — Stress corrosion testing — Part 5 Preparation and use of C-ring specimens.pdf
ISO 17489 2013 Leather — Chemical tests — Determination of tan content in synthetic tanning agents.pdf
GB-T 30587-2014 钢丝绳吊索 环索.pdf
GB-T 35690-2017 弱磁材料相对磁导率的测量方法.pdf
GB-T 39344-2020 空间数据与信息传输系统 通信操作规程-1.pdf
GB-T 28697-2012 滚动轴承 调心推力球轴承和调心座垫圈 外形尺寸.pdf
GB-T 25185-2010 表面化学分析 X射线光电子能谱 - 荷电控制和荷电校正方法的报告.pdf
GB-T 40920-2021 皮革 色牢度试验 往复式摩擦色牢度.pdf
GB-T 27818-2011 化学品 皮肤吸收 体外试验方法.pdf
GB-T 9789-2008 金属和其他无机覆盖层 通常凝露条件下的二氧化硫腐蚀试验.pdf
GB-T 14181-2010 测定烟煤粘结指数专用无烟煤技术条件.pdf
GB-T 38309-2019 火灾烟气流毒性组分测试 FTIR分析火灾烟气中气体组分的指南.pdf