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GB-T 21799-2008 化学品 小鼠斑点试验方法
ISO 24139-1 2022 Petroleum and natural gas industries — Corrosion resistant alloy clad bends and fittings for pipeline transportation system — Part 1 Clad bends.pdfISO 18785-4 2018 Friction stir spot welding — Aluminium — Part 4 Specification and qualification of welding procedures.pdfISO 787-7 2009 General methods of test for pigments and extenders — Part 7 Determination of residue on sieve — Water method — Manual procedure.pdfISO TS 28560-4 2023 Information and documentation — RFID in libraries — Part 4 En.pdfISO 7712 1983 Laboratory glassware — Disposable Pasteur pipettes.pdfISO 1730 1980 Dictation equipment — Basic operating requirements.pdfISO 3255-1974Magnesium and magnesium alloys. Determination of aluminium. Chromazurol s photometric m.pdfISO 1825 2017 Rubber hoses and hose assemblies for aircraft ground fuelling and defuelling Specification.pdfISO 12354-3 2017 Building acoustics — Estimation of acoustic performance of buildings from the performance of elements — Part 3 Airborne sound insulation against outdoor sound.pdfISO 1598 1990 Plastics - Cellulose acetate — Determination of insoluble particles.pdfGB-T 12918-2009 油船排油监控系统技术条件.pdfGB-T 38123-2019 电工产品标准中引入能效因素的指南.pdfGB-T 19991-2005 农业机械 播种、种植、施肥和喷雾机械 推荐工作幅宽.pdfGB-T 21653-2008 镍及镍合金线和拉制线坯.pdfGB-T 4672-2003 往复式内燃机 手操纵控制机构 标准动作方向.pdfGB-T 11151-1989 交流电桥.pdfGB-T 1507-2006 锰矿石 有效氧含量的测定 重铬酸钾滴定法.pdfGB-T 21799-2008 化学品 小鼠斑点试验方法.pdfGB-T 18864-2002 硫化橡胶 工业用抗静电和导电产品 电阻极限范围.pdfGB-T 17781-1999 技术能量系统 基本概念.pdf
