专利 一种摩擦磨损实验机
ISO 80416-2 2001 Basic principles for graphical symbols for use on equipment — Part 2 Form and use of arrows.pdf
ISO 7048 2011 Cross-recessed cheese head screws.pdf
ISO 18926 2012 Imaging materials — Information stored on magneto-optical (MO) discs — Method for estimating the life expectancy based on the effects of temperature and relative humidity.pdf
ISO TS 13126 2023 Traditional Chinese medicine — Determination of ochratoxin A in natural products by liquid chromatography coupled with fluorescence detector.pdf
ISO 21467 2023 Drilling and foundation machinery — Horizontal directional drilling (HDD) machines — Commercial specifications.pdf
ISO 3630-2 2023 Dentistry — Endodontic instruments — Part 2 Enlargers.pdf
ISO 5311 1992 Fertilizers — Determination of bulk density (tapped).pdf
ISO IEC 11801-2 2017 Information technology — Generic cabling for customer premises — Part 2 Office premises.pdf
ISO TR 14639-1 2012 Health informatics — Capacity-based eHealth architecture roadmap — Part 1 Overview of national eHealth initiatives.pdf
ISO 3293 2016 Morse taper shank countersinks for angles 60 degrees, 90 degrees and 120 degrees inclusive.pdf
GB-T 17720-1999 金属覆盖层 孔隙率试验评述.pdf
GB-T 18930-2020 耐火材料术语.pdf
GB-T 13670-2010 机械振动 铁道车辆内乘客及乘务员暴露于全身振动的测量与分析.pdf
GB-T 23259-2009 压力容器用视镜玻璃.pdf
GB-T 16657.2-2008 工业通信网络 现场总线规范 第2部分 物理层规范和服务定义.pdf
GB-T 14733.9-2008 电信术语 无线电波传播.pdf
GB-T 13975-1992 直流放大器特性和测试方法.pdf
GB-T 23701-2009 人-系统交互人类工效学 人-系统事宜的过程评估规范.pdf
GB-T 14642-2009 工业循环冷却水及锅炉水中氟、氯、磷酸根、亚硝酸根、硝酸根和硫酸根的测定 离子色谱法.pdf
GB-T 6252-1986 电子设备用A类调谐可变电容器类型规范.pdf