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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 18882.1-2023 |
Methods for chemical analysis of mixed rare earth oxides of ionic rare earth ores - Part 1: Determination of the proportions of fifteen rare earth element oxides {译} 离子型稀土矿混合稀土氧化物化学分析方法 第1部分：十五个稀土元素氧化物配分量的测定 |
China National Standards proportion |
 English PDF |
| GB/T 39645-2020 |
Technical drawings—Symbols for geometrical tolerancing proportions and dimensions 技术制图 几何公差符号的比例和尺寸 |
China National Standards proportion |
English PDF |
| GB/T 32216-2015 |
Hydraulic fluid power—Test method for the proportional/servo controlled hydraulic cylinder 液压传动 比例/伺服控制液压缸的试验方法 |
China National Standards proportion |
English PDF |
| GB/T 12212-2012 |
Technical drawings - Dimensions,proportions and simplified representation for welding symbols 技术制图 焊缝符号的尺寸、比例及简化表示法 |
China National Standards proportion |
English PDF |
| GB/T 16698-2008 |
Measurement of emission rate of α particle - Method for large area proportional counter α粒子发射率的测量 大面积正比计数管法 |
China National Standards proportion |
English PDF |
| GB/T 20803-2006 |
Universal technical criterions for proportion system in feed mill 饲料配料系统通用技术规范 |
China National Standards proportion |
English PDF |
| GB/T 20131-2006 |
Calibration and usage of α/β gas proportional counters α/β流气式正比计数器的标定和使用 |
China National Standards proportion |
English PDF |
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