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| Manufacturer/origin: | Chuzhou City |
|---|---|
| Product grade: | High purity helium |
| Content: | 99.999（％） |
| Executive quality standards: | national standard |
| CAS No.: | 71086-78-7 |
| English name: | Helium |
| Molecular formula: | He |
| Molecular weight: | 4.002602 |
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