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GB-T 21232-2007 声学 办公室和车间内声屏障控制噪声的指南
ISO 14245 2021 Gas cylinders — Specifications and testing of LPG cylinder valves — Self-closi.pdfISO 4951-1 2001 High yield strength steel bars and sections — Part 1 General delivery requirements.pdfISO 22493 2014 Microbeam analysis — Scanning electron microscopy — Vocabulary.pdfISO 3028-1984Photography. Camera flash illuminants. Determination of ISO spectral distribution index.pdfISO 11738 2021 Agricultural irrigation equipment — Control heads.pdfISO 24650 2024 Road vehicles Sensors for automated driving under adverse weather conditions Assessment of the cleaning system efficiency.pdfISO 23013 2016 Road vehicles — Determination of resistance to forced entry of security glass constructions used in vehicle glazing — Test of glazing systems.pdfISO 1328-1 2013 Cylindrical gears — ISO system of flank tolerance classification — Part 1 Definitions and allowable values of deviations relevant to flanks of gear teeth.pdfISO 19281 2016 Air cargo — Fire resistant containers — Design, performance and testing.pdfISO 11932 1996 Activity measurements of solid materials considered for recycling, re-use or disposal as non-radioactive waste.pdfGB-T 17902.3-2005 信息技术 安全技术 带附录的数字签名 第3部分 基于证书的机制.pdfGB-T 13287-1991 液化石油气挥发性测定方法.pdfGB-T 41151-2021 城市和社区可持续发展 城市描述性框架.pdfGB-T 38027-2019 微纳卫星试验要求.pdfGB-T 42165-2022 皮革 色牢度试验 耐汗渍色牢度.pdfGB-T 19840-2005 回转容积泵 技术要求.pdfGB-Z 23283-2009 基于文件的电子信息的长期保存.pdfGB-T 17175.1-1997 信息技术 开放系统互连 管理信息结构 第1部分 管理信息模型.pdfGB-T 27674-2011 硫化铜、铅和锌精矿 试样中湿存水分的测定 重量法.pdfGB-T 20568-2022 金属材料 管环液压试验方法.pdf
