YD/T 5172-2009
Provisional Specification on Engineering Acceptance for 800MHz/2GHz CDMA2000 Digital Cellular Mobile Communication System 800MHZ/2GHZ CDMA2000数字蜂窝移动通信网工程验收暂行规定 |
YD 5110-2009
TeMporary Specifications of Engineering Design for 800MHz/2GHz cdma2000 Digital Cellular Mobile Communication System 800MHZ/2GHZ CDMA 2000数字蜂窝移动通信网工程设计暂行规定 |
GB/T 23274.2-2009
Methods for chemical analysis of stannic oxide - Part 2: Determination of iron content - 1,10-phenanthroline photometric method 二氧化锡化学分析方法 第2部分:铁量的测定 1,10-二氮杂菲分光光度法 |
YY/T 0756-2009
Optics and optical instruMents; Lasers and laser-related equipment; Test methods for power (energy) density distribution of laser beams 光学和光学仪器 激光和激光相关设备 激光光束功率(能量)密度分布的试验方法 |
YY/T 0761.1-2009
Dentistry - DiaMond rotary instruments - Part 1: Dimensions, requirements, marking and packaging 牙科学 金刚石旋转器械 第1部分:尺寸、要求、标记和包装 |
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