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ISO 6410-3 2021 Technical drawings — Screw threads and threaded parts — Part 3 Simplified representation.pdf
ISO 9455-6 2022 Soft soldering fluxes — Test methods — Part 6 Determination and detection of halide (excluding fluoride) content.pdf
ISO 24200 2022 Petroleum petrochemical and natural gas industries Bulk material for offshore projects Pipe support.pdf
GB-T 19463-2004 乘用车用刮水器刮片长度尺寸系列及连接尺寸.pdf
GB-T 9950-2008 信息技术 数据通信 37插针DTE-DCE接口连接器和接触件编号分配.pdf
GB-T 13133-2008 信息技术 系统间远程通信和信息交换 DTE到DTE直接连接.pdf
GB-T 12449-1990 以专用连接线方式互连的声音和电视广播发射设备与监控设备之间的接口.pdf
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GB-T 18272.1-2000 工业过程测量和控制 系统评估中系统特性的评定 第1部分 总则和方法学.pdf
GB-T 17283-2014 天然气水露点的测定 冷却镜面凝析湿度计法.pdf
GB-T 20114-2019 普通电源或整流电源供电直流电机的特殊试验方法.pdf
GB-T 40393-2021 金属和合金的腐蚀 奥氏体不锈钢晶间腐蚀敏感性加速腐蚀试验方法.pdf
GB-T 42182-2022 金融服务 全球机构法律形式.pdf