全网唯一标准王
JB-T 13939-2020 无损检测仪器 涡流测厚仪
ISO 3228 2013 Rolling bearings — Cast and pressed housings for insert bearings — Boundary dimensions and tolerances.pdfISO 18549-1 2009 Metallic powders Determination of apparent density and flow rate at elevated temperatures Part 1 Determination of apparent density at elevated temperatures.pdfISO 1183-2 2019 Plastics — Methods for determining the density of non-cellular plastics — Part 2 Density gradient column method.pdfISO 10510 2011 Tapping screw and washer assemblies with plain washers.pdfISO 23251 2019 Petroleum petrochemical and natural gas industries Pressure-relieving and depressuring systems.pdfISO 21924-3 2017 Protective equipment for martial arts Part 3 Additional requirements and test methods for trunk protectors.pdfISO 45002 2023 Occupational health and safety management systems — General guidelines for the implementation of ISO 45001 2018.pdfISO IEC 20008-2 2013 Information technology — Security techniques — Anonymous digital signatures — Part 2 Mechanisms using a group public key.pdfISO 24613-1 2024 Language resource management — Lexical markup framework (LMF) — P.pdfISO-IEC 22533 2005 Information technology -- Data interchange on 90 mm optical disk cartridges -- Capacity 2 3 Gbytes per cartridge.pdfGB-T 19252-2010 电子商务协议样本.pdfGB-T 18311.40-2003 纤维光学互连器件和无源器件 基本试验和测量程序 第3-40部分 检查和测量 带保偏光纤尾纤连接器的消光比.pdfGB-T 2901-2012 信息与文献 信息交换格式.pdfGB-T 35147-2017 石油天然气工业 机械动力传输挠性联轴器 一般用途.pdfGB-T 39302-2020 再生水水质 阴离子表面活性剂的测定 亚甲蓝分光光度法.pdfGB 25116-2010 工业洗涤机械的安全要求 四氯乙烯干洗机.pdfGB-T 21665-2008 尿吸收辅助器具 从使用者和护理者的角度评价一次性成人失禁用尿吸收辅助器具的基本原则.pdfGB-T 42623-2023 安装于办公、旅馆和住宅建筑的乘客电梯的配置和选择.pdfGB-T 9424-1998 半导体器件 集成电路 第2部分 数字集成电路 第五篇 CMOS数字集成电路4000B和4000UB系列空白详细规范.pdfGB-T 1143-2004 60°、90°、120°莫氏锥柄锥面锪钻.pdf
