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| International Standard Category: Laboratory ware and related apparatus |
GB/T 8979-2008 Pure nitrogen and high purity nitrogen and ultra pure nitrogen
纯氮、高纯氮和超纯氮 ;
| Category No.: | 71.040.20 | Valid Status: | valid |
| Issued Organization: | AQSIQ; SAC | Issued Date: | 2008-5-15 |
| Implemented Date: | 2008-11-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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