专利 一种便于清理的化工用反应釜
ISO IEC 24723 2010 Information technology — Automatic identification and data capture techniques — GS1 Composite bar code symbology specification.pdf
ISO 7304-2 2008 Alimentary pasta produced from durum wheat semolina — Estimation of cooking quality by sensory analysis — Part 2 Routine method.pdf
ISO 56001-2024.pdf
ISO 29301 2023 Microbeam analysis — Analytical electron microscopy — Methods fo.pdf
ISO TS 24522 2019 Event detection process Guidelines for water and wastewater utilities.pdf
ISO 8655-5 2022 Piston-operated volumetric apparatus — Part 5 Dispensers.pdf
ISO 27003-2009 信息安全管理体系实施指南 .pdf
ISO 18400-204 2017 Soil quality Sampling Part 204 Guidance on sampling of soil gas.pdf
ISO TS 16096 2021 Reclaimed isobutene-isoprene (IIR) rubber — Evaluation procedure.pdf
ISO 25980 2023 Health and safety in welding and allied processes — Transparent welding curtains, strips and screens for arc welding processes.pdf
GB-T 648-2011 化学试剂 硫氰酸钾.pdf
GB-T 1453-2005 夹层结构或芯子平压性能试验方法.pdf
GB-T 20792-2006 轮式拖拉机最高速度的确定方法.pdf
GB-T 17111-2008 切削刀具 高速钢分组代号.pdf
GB-T 24297-2009 热双金属螺旋形元件热偏转率试验方法.pdf
GB-T 11539-2008 香料 填充柱气相色谱分析 通用法.pdf
GB-T 25962-2010 高速条件下汽车轮毂轴承润滑脂漏失量测定法.pdf
GB-T 40374-2021 硬质合金化学分析方法 铅量和镉量的测定 火焰原子吸收光谱法和电感耦合等离子体原子发射光谱法.pdf
GB-T 15634-2014 行政、商业和运输业电子数据交换 段目录.pdf
GB-T 18615-2002 波纹金属软管用非合金钢和不锈钢接头.pdf