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| Manufacturer / origin: | U.S.A |
|---|---|
| Content: | 99.999（％） |
| CAS number: | 7440-59-7 |
| Product grade: | High purity helium |
| Unit of measurement: | bottle |
| Executive quality standard: | GB/T 4844.1-1995 |
| CAS： | ggfgn |
| Manufacturer (place of origin): | U.S.A |
| Content /ge: | 99.999% |
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