GB-T 37400.3-2019 重型机械通用技术条件 第3部分:焊接件
ISO 14237 2010 Surface chemical analysis — Secondary-ion mass spectrometry — Determination of boron atomic concentration in silicon using uniformly doped materials.pdf
ISO 16063-32 2016 Methods for the calibration of vibration and shock transducers — Part 32 Resonance testing — Testing the frequency and the phase response of accelerometers by means of shock excitation.pdf
ISO 22052 2020 Dentistry — Central compressed air source equipment.pdf
ISO 13736 2021 Amd 1 2022 Determination of flash point — Abel closed-cup meth.pdf
ISO IEC TR 29181-3 2013 Information technology — Future Network — Problem statement and requirements — Part 3 Switching and routing.pdf
ISO 9912-4 2018 Agricultural irrigation equipment — Filters for microirrigation — Part 4 Granulated media filters.pdf
ISO 5145 2017 Gas cylinders Cylinder valve outlets for gases and gas mixtures Selection and dimensioning.pdf
ISO IEC 27400 2022 Cybersecurity — IoT security and privacy — Guidelines.pdf
ISO 13528 2022 Statistical methods for use in proficiency testing by interlaboratory comparison.pdf
ISO 10545-1 2014 Ceramic tiles — Part 1 Sampling and basis for acceptance.pdf
GB-T 7016-1986 固定电阻器电流噪声测量方法.pdf
GB-T 19360-2003 工业用金属穿孔板 技术要求和检验方法.pdf
GB-T 223.30-1994 钢铁及合金化学分析方法 对-溴苦杏仁酸沉淀分离-偶氮胂Ⅲ分光光度法测定锆量.pdf
GB-T 17849-1999 涂覆涂料前钢材表面处理 喷射清理用非金属磨料的试验方法.pdf
GB-T 21653-2008 镍及镍合金线和拉制线坯.pdf
GB-T 25392-2024 农业工程 电气和电子设备 耐环境试验.pdf
GB-T 15484-1995 声学 轰声物理特性的描述和测量.pdf
GB-T 38631-2020 信息技术 安全技术 GB-T 22080具体行业应用 要求.pdf
GB-T 21771-2008 化学品 重复剂量毒性合并生殖-发育毒性筛选试验方法.pdf
GB-T 10432.2-2016 短周期电弧螺柱焊用无头焊钉.pdf