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GB 31224-2014 气象探测环境保护规范 大气本底站
ISO 20753 2023 Plastics — Test specimens.pdfISO 17248 2015 Corrosion of metals and alloys — Test method for high temperature corrosion testing of metallic materials by embedding in salt, ash, or other solids.pdfISO 14242-4 2018 Implants for surgery Wear of total hip-joint prostheses Part 4 Testing hip prostheses under variations in component positioning which results in direct edge loading.pdfISO 23247-4 2021 Automation systems and integration — Digital twin framework for manufacturing — Part 4 Information exchange.pdfISO 8624 2020 Ophthalmic optics — Spectacle frames — Measuring system and vocabulary.pdfISO 18523-2 2018 Energy performance of buildings — Schedule and condition of building, zone and space usage for energy calculation — Part 2 Residential buildings.pdfISO 12625-6 2016 Tissue paper and tissue products — Part 6 Determination of grammage.pdfISO 15301 2001 Animal and vegetable fats and oils — Determination of sediment in crude fats and oils — Centrifuge method.pdfISO 11277 2020-Amd 1 2024 Soil quality Determination of particle size distribution in mineral soil material Method by sieving and sedimentation Amendment 1.pdfISO 7498-2 1989 Information processing systems - Open Systems Interconnection - Basic Reference Model - Part 2 Security Architecture.pdfGB 27887-2011 机动车儿童乘员用约束系统.pdfGB-Z 18427-2001 液压软管组合件 液压系统外部泄漏分级.pdfGB-T 14691-1993 技术制图 字体.pdfGB-T 15712-2016 非调质机械结构钢.pdfGB-T 3855-2005 碳纤维增强塑料树脂含量试验方法.pdfGB-T 34905-2017 烧结金属材料 粉末冶金零部件清洁度的测定.pdfGB-T 7134-2008 浇铸型工业有机玻璃板材.pdfGB-T 6546-2021 瓦楞纸板 边压强度的测定.pdfGB-T 39352-2020 空间数据与信息传输系统 邻近空间链路协议 数据链路层.pdfGB-T 26142.2-2010 气动五通方向控制阀 规格18mm和26mm 第2部分 带可选电气接头的安装面.pdf
