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| Standard No.: | GB17820-2012 |
|---|---|
| Density: | 0.7174（kg/m3） |
| Main ingredients: | methane |
| Vapor pressure: | 0.5-0.9（kpa） |
| Content: | methane |
| Copper strip corrosion: | nothing |
| Total sulfur content: | None (mg/m) |
| Place of Origin: | Qingdao |
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