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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 21451.3-2017 |
Petroleum and liquid petroleum products—Measurement of level and temperture in storage tanks by automatic methods—Part 3:Measurement of level in pressurized tanks(non-refrigerated) 石油和液体石油产品 储罐中液位和温度自动测量法 第3部分：带压罐（非冷冻）中的液位测量 |
China National Standards 3:Measurement |
 English PDF |
| GB/T 6495.3-1996 |
Photovoltaic devices--Part 3:Measurement principles for terrestrial photovoltaic(PV) solar devices with reference spectral irradiance data 光伏器件 第3部分:地面用光伏器件的测量原理及标准光谱辐照度数据 |
China National Standards 3:Measurement |
English PDF |
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