主流数据库介绍
ISO IEC 30118-2 2021 Information technology — Open Connectivity Foundation (OCF) Specification — Part 2 Security specification.pdf
ISO 9319 2024 Traditional Chinese medicine — Poria cocos sclerotium.pdf
ISO 7539-3 1989 Corrosion of metals and alloys — Stress corrosion testing — Part 3 Preparation and use of U-bend specimens.pdf
ISO 7133 2013 Earth-moving machinery Scrapers Terminology and commercial specifications.pdf
ISO 20056-1 2017 Rolling bearings Load ratings for hybrid bearings with rolling elements made of ceramic Part 1 Dynamic load ratings.pdf
ISO 2400 2012 Non-destructive testing Ultrasonic testing Specification for calibration block No. 1.pdf
ISO ASTM 51401 2013 Practice for use of a dichromate dosimetry system.pdf
ISO 105-C10 2006 Textiles Tests for colour fastness Part C10 Colour fastness to washing with soap or soap and soda.pdf
ISO 19885-1 2024 Gaseous hydrogen Fuelling protocols for hydrogen-fuelled vehicles Part 1 Design and development process for fuelling protocols.pdf
ISO-TR 4448-1 2024 Intelligent transport systems Public-area mobile robots (PMR) Part 1 Overview of paradigm.pdf
GB-T 17045-2020 电击防护 装置和设备的通用部分.pdf
GB-T 24373-2009 纺织机械与附件 梳理机用隔距片.pdf
GB-T 17700-1999 卫星数字电视广播信道编码和调制标准.pdf
GB-T 22554-2010 基于标准样品的线性校准.pdf
GB-T 19869.1-2005 钢、镍及镍合金的焊接工艺评定试验.pdf
GB-T 18571-2001 小艇 舷外机便携式燃油系统.pdf
GB-T 11450.5-1989 空心金属波导 第六部分 中等扁矩形波导有关规范.pdf
GB-T 42871-2023 无损检测 声发射检测 混凝土声发射信号的测试方法.pdf
GB-T 14413-2008 船用舷窗.pdf
GB-T 33725-2017 表壳体及其附件 耐磨损、划伤和冲击试验.pdf