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GB-T 39394-2020 LED灯、LED灯具和LED模块的测试方法
ISO 12944-2 2017 Paints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 2 Classification of environments.pdfISO 24684-2 2023 Aggregates for concrete — Test methods for chemical properties — Part 2 Determination of soluble sulfate salts.pdfISO 13678 2010 Petroleum and natural gas industries — Evaluation and testing of thread compounds for use with casing, tubing, line pipe and drill stem elements.pdfISO IEC 39075 2024 Information technology — Database languages — GQL.pdfISO IEC 27033-3-2010.pdfISO 23581 2024 Petroleum products and related products Determination of kinematic viscosity Method by Stabinger type viscometer.pdfISO 16620-5 2017 Plastics — Biobased content — Part 5 Declaration of biobased carbon content, biobased synthetic polymer content and biobased mass content.pdfISO 6802 2018 Rubber or plastics hoses and hose assemblies — Hydraulic impulse test with flexing.pdfISO TR 21954 2018 Guidance on the selection of the appropriate means of ventilation based on the intended patient, use environment, and operator.pdfISO 14159 2002 Safety of machinery — Hygiene requirements for the design of machinery.pdfGB-T 19929-2014 土方机械 履带式机器 制动系统的性能要求和试验方法.pdfGB-T 4459.3-2000 机械制图 花键表示法.pdfGB-T 13609-2017 天然气取样导则.pdfGB-T 12085.17-2011 光学和光学仪器 环境试验方法 第17部分 污染、太阳辐射综合试验.pdfGB-T 3098.1-2010 紧固件机械性能 螺栓、螺钉和螺柱.pdfGB-T 35256-2017 纺织品 色牢度试验 人造气候老化 暴露于过滤氙弧辐射.pdfGB-T 16264.6-2008 信息技术 开放系统互连 目录 第6部分 选定的属性类型.pdfGB-T 27703-2011 信息与文献 图书馆和档案馆的文献保存要求.pdfGB-T 16452-1996 电讯夹扭钳和剪切钳术语.pdfGB-T 28485-2012 镀层饰品 镍释放量的测定 磨损和腐蚀模拟法.pdf
