全网唯一标准王
NB-T 10557-2021 板式塔内件技术规范
ISO 14524 2009 Photography — Electronic still-picture cameras — Methods for measuring opto-electronic conversion functions (OECFs).pdfISO 5275 2003 Petroleum products and hydrocarbon solvents - Detection of thiols and other sulfur species Doctor test.pdfISO 7875-2-1984Water quality. Determination of surfactants. Part 2_Determination of non-ionic surfac.pdfISO 7053 2019 Fasteners — Hexagon washer head tapping screws.pdfISO 4884 2019 Hardmetals — Sampling and testing of powders using sintered test pieces.pdfISO TS 18614 2016 Packaging — Label material — Required information for ordering and specifying self-adhesive labels.pdfISO-TS 17951-1 2016 Water quality Determination of fluoride using flow analysis (FIA and CFA) Part 1 Method using flow injection analysis (FIA) and spectrometric detection after off-line distillatio.pdfISO 666 2012 Machine tools — Mounting of grinding wheels by means of hub flanges.pdfISO IEC 17913 2000 Information technology — 12,7mm 128-track magnetic tape cartridge for information interchange — Parallel serpentine format.pdfISO 1927-6 2012 Monolithic (unshaped) refractory products — Part 6 Measurement of physical properties.pdfGB-Z 18039.6-2005 电磁兼容 环境 各种环境中的低频磁场.pdfGB-T 9015-1998 工业六次甲基四胺.pdfGB-T 17903.3-2008 信息技术 安全技术 抗抵赖 第3部分 采用非对称技术的机制.pdfGB-T 39372-2020 皮革 物理和机械试验 伸长率的测定.pdfGB-T 19540-2004 饲料中玉米赤霉烯酮的测定.pdfGB-T 13960.8-1997 可移式电动工具的安全 第二部分 带水源金刚石锯的专用要求.pdfGB-Z 36281-2018 与附加功能组合的剩余电流保护电器.pdfGB-T 17545.1-1998 信息技术 开放系统互连 联系控制服务元素的无连接协议 第1部分 协议规范.pdfGB-T 38937-2020 钢筋混凝土用钢术语.pdfGB-T 12600-2005 金属覆盖层 塑料上镍+铬电镀层.pdf
