专利 一种便于安装的燃气切断阀
ISO 16938-2 2019 Buildings and civil engineering works — Determination of the staining of porous substrates by sealants used in joints — Part 2 Test without compression.pdf
ISO IEC 9834-9 2008 Information technology - Open Systems Interconnection - Proced.pdf
ISO 11783-10 2015 Tractors and machinery for agriculture and forestry — Serial control and communications data network — Part 10 Task controller and management information system data interchange.pdf
ISO 5610-7 2014 Tool holders with rectangular shank for indexable inserts — Part 7 Style J.pdf
ISO 17293-2 2014 Surface active agents — Determination of chloroacetic acid (chloroacetate) in surfactants — Part 2 Ionic chromatographic method.pdf
ISO 18254-1 2016 Textiles — Method for the detection and determination of alkylphenol ethoxylates (APEO) — Part 1 Method using HPLC-MS.pdf
ISO 19242 2021 Rubber — Determination of total sulfur content by ion chromatography.pdf
ISO IEC 11179-33 2023 Information technology — Metadata registries (MDR) — Part 33 Metamodel for data set registration.pdf
ISO 873 1980 Peaches — Guide to cold storage.pdf
ISO 16055 2021 Tobacco and tobacco products — Monitor test piece for smoking machine — Requirements and use.pdf
GB-T 43795-2024 磁性氧化物制成的磁心机械强度测试方法.pdf
GB-T 19498-2017 农林拖拉机防护装置 静态试验方法和验收技术条件.pdf
GB-T 1274-2011 化学试剂 磷酸二氢钾.pdf
GB-T 17190-1997 电子设备用压电陶瓷滤波器 电子元器件质量评定体系规范 第1部分 总规范 鉴定批准.pdf
GB-T 15849-1995 密封放射源的泄漏检验方法.pdf
GB-T 25759-2010 无损检测 数字化超声检测数据的计算机传输数据段指南.pdf
GB-T 4743-2009 纺织品 卷装纱 绞纱法线密度的测定.pdf
GB-T 13388-2009 硅片参考面结晶学取向X射线测试方法.pdf
GB-T 9797-2005 金属覆盖层 镍+铬和铜+镍+铬电镀层.pdf
GB-T 18570.6-2011 涂覆涂料前钢材表面处理 表面清洁度的评定试验 第6部分 可溶性杂质的取样 Bresle法.pdf