专利 一种天然气管道腐蚀失效时间预测方法及装置
ISO 27911 2011 Surface chemical analysis — Scanning-probe microscopy — Definition and calibration of the lateral resolution of a near-field optical microscope.pdf
ISO 11148-4 2012 Hand-held non-electric power tools — Safety requirements — Part 4 Non-rotary percussive power tools.pdf
ISO 14892 2002 Dried skimmed milk — Determination of vitamin D content using high.pdf
ISO IEC 14251 1995 Information technology — Data interchange on 12,7 mm 36-track magnetic t.pdf
ISO IEC 24751-3 2008 Information technology — Individualized adaptability and acces.pdf
ISO IEC 23090-5 2023 Information technology — Coded representation of immersive.pdf
ISO 20854 2019 Thermal containers — Safety standard for refrigerating systems using flammable refrigerants — Requirements for design and operation.pdf
ISO 37104 2019 Sustainable cities and communities — Transforming our cities — Guidance for practical local implementation of ISO 37101.pdf
ISO 21314 2019 Traditional Chinese medicine — Salvia miltiorrhiza root and rhizome.pdf
DIN ISO 37001-2018 反贿赂管理系统.使用指南要求.pdf
GB-T 18807-2002 信息技术 130 mm盒式光盘上的数据交换容量 每盒1.3 G字节.pdf
GB-T 13158-1991 数字交换机的时钟和同步设备进入数字网的兼容性测试方法.pdf
GB-T 21960-2008 农林拖拉机驾驶座试验方法和验收条件.pdf
GB-T 1251.2-2006 人类工效学 险情视觉信号 一般要求、设计和检验.pdf
GB-T 9753-2007 色漆和清漆 杯突试验.pdf
GB-T 12857-1991 电视广播接收机在非标准广播信号条件下的测量方法.pdf
GB-T 23684-2009 液管制冷剂干燥器的试验方法.pdf
GB-Z 42244-2022 空间环境 利用准动态模型获得地球辐射带注量的最劣情况和置信水平的程序.pdf
GB-T 42325-2023 切相调光照明系统中切相调光器的电气接口规范.pdf
GB-T 7325-1987 润滑脂和润滑油蒸发损失测定法.pdf