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GB-T 30559.3-2017 电梯、自动扶梯和自动人行道的能量性能 第3部分：自动扶梯和自动人行道的能量计算与分级
GB-Z 41561-2022 ISO 8124-1、EN 71-1和ASTM F963标准机械物理性能差异比对.pdfISO 11111-3 2005 Amd 2 2016 Textile machinery — Safety requirements — Part 3 Nonwoven.pdfISO 6624-1 2017 Internal combustion engines — Piston rings — Part 1 Keystone rings made of cast iron.pdfISO 2738 1999 Sintered metal materials, excluding hardmetals — Permeable sintered metal materials — Determination of density, oil content and open porosity.pdfISO TR 19686-100 2016 Petroleum products — Equivalency of test method determining the same property — Part 100 Background and principle of the comparison and the evaluation of equivalency.pdfISO 19095-1 2015 Plastics — Evaluation of the adhesion interface performance in plastic-metal assemblies — Part 1 Guidelines for the approach.pdfISO 6691 2021 Thermoplastic polymers for plain bearings — Classification and designation.pdfISO 13919-2 2021 Electron and laser-beam welded joints — Requirements and recommendations on quality levels for imperfections — Part 2 Aluminium, magnesium and their alloys and pure copper.pdfISO 3030 2022 Rolling bearings — Radial needle roller and cage assemblies — Boundary dimensions, geometrical product specifications (GPS) and tolerance values.pdfISO-IEC 27562 2024 Information technology - Security techniques - Privacy guidelines for fintech services.pdfGB-T 33139-2016 船舶与海上技术 减少船舶推进关键系统损失的维护与试验.pdfGB-T 14706-1993 校对符号及其用法.pdfGB-T 24189-2009 高炉用铁矿石 用最终还原度指数表示的还原性的测定.pdfGB-T 19405.2-2003 表面安装技术 第2部分 表面安装元器件的运输和贮存条件 应用指南.pdfGB-T 23631-2009 实蝇非疫区建立的要求.pdfGB-T 6117.3-2010 立铣刀 第3部分 7 24锥柄立铣刀.pdfGB-T 42049-2022 飞机机体用滚动轴承 特性、外形尺寸、公差和额定静负荷.pdfGB-T 4162-2008 锻轧钢棒超声检测方法.pdfGB-T 1236-2017 工业通风机 用标准化风道性能试验.pdfGB-Z 43427-2023 优质服务 设计高品质服务以实现极致顾客体验.pdf
