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International Standard Category: Chemical reagents |
Category No.: | 71.040.30 | Valid Status: | superseded |
Issued Organization: | AQSIQ | Issued Date: | 2006-01-23 |
Implemented Date: | 2006-11-1 | Abolished Date: | |
Superseded Standard.: | GB/T 9722-2023 Chemical reagent—General rules for the gas chromatography |
Superseded Date: | 2024-3-1 |
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