NY-T 688-2018 橡胶树品种类型
ISO 6521-3 2019 Lubricants industrial oils and related products (Class L) Family D (compressors) Part 3 Specifications of categories DRA DRB DRC DRD DRE DRF and DRG (lubricants for refrigerating com.pdf
ISO TR 14735 2013 Cosmetics — Analytical methods — Nitrosamines Technical guidance document for minimizing and determining N-nitrosamines in.pdf
ISO 11723 2016 Solid mineral fuels Determination of arsenic and selenium Eschka s mixture and hydride generation method.pdf
ISO IEC 26550 2015 Software and systems engineering — Reference model for product line engineering and management.pdf
ISO 10848-5 2020 Acoustics Laboratory and field measurement of the flanking transmission for airborne impact and building service equipment sound between adjoining rooms Part 5 Radiation efficiencie.pdf
ISO 22568-2 2019 Foot and leg protectors — Requirements and test methods for footwear component — Part 2 Non-metallic toecaps.pdf
ISO IEC TR 10000-2 1998 Information technology — Framework and taxonomy of Inte.pdf
ISO 4691 2009 Iron ores Determination of titanium Diantipyrylmethane spectrophotometric method.pdf
ISO ASTM 52939 2023 Additive manufacturing for construction — Qualification princi.pdf
ISO TS 16422-3 2023 Pipes and joints made of oriented unplasticized poly(vinyl chlorid.pdf
GB-T 20255.3-2006 硬质合金化学分析方法 钼、钛和钒量的测定 火焰原子吸收光谱法.pdf
GB-T 5816-1995 催化剂和吸附剂表面积测定法.pdf
GB-T 24997-2010 纸、纸板和纸浆 镉含量的测定 原子吸收光谱法.pdf
GB-T 5117-2012 非合金钢及细晶粒钢焊条.pdf
GB-T 230.1-2018 金属材料 洛氏硬度试验 第1部分 试验方法.pdf
GB-T 5263-2009 农林拖拉机和机械 动力输出万向节传动轴防护罩 强度和磨损试验及验收规范.pdf
GB-T 17529.3-1998 工业丙烯酸乙酯.pdf
GB-T 19247.4-2003 印制板组装 第4部分 分规范 引出端焊接组装的要求.pdf
GB-T 37180-2018 气体分析 校准用纯气和混合气体的使用 指南.pdf
GB-T 18852-2020 无损检测 超声检测 测量接触探头声束特性的参考试块和方法.pdf