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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HG/T 5898-2022 |
Mixed gas for laser welding CO2-N2/helium {译} 激光焊接用混合气体 二氧化碳-氮气/氦气 |
China Chemistry Industry
Standards helium |
 English PDF |
| HG/T 5996-2022 |
helium Purifier {译} 氦气纯化器 |
China Chemistry Industry
Standards helium |
English PDF |
| NB/T 20464-2017 |
(Detection of helium leak in steam generator heat transfer tube of nuclear power plant) 核电厂蒸汽发生器传热管在役氦泄漏检测 |
China Energy industry
Standards helium |
English PDF |
| HG/T 4985-2016 |
Mixed gas for welding. helium in argon 焊接用混合气体 氦/氩 |
China Chemical Industry
Standards helium |
English PDF |
| HG/T 4080-2009 |
helium leakage test method for urea reactor 尿素合成塔氦渗漏试验方法 |
China Chemical Industry
Standards helium |
English PDF |
| JT/T 208-2008 |
helium-Oxygen diving equipment model 6071 HY 6071hy型氦氧重装潜水装具 |
China Highway & Transportation
Standards helium |
English PDF |
| QB/T 1730-1993 |
helium-neon laser facsimile film 氦氖激光传真胶片 |
China Light Industry
Standards helium |
English PDF |
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