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| Chinese National Standard List: Determination methods for quality of other environmental elements |
| Title | Standard No. | Implemented On |
| Limits and methods of measurement of certain hazardous substances in telecommunication product Part 1: Telecommunication terminal | GB/T 22727.1-2008 | 2009-8-1 |
| Water quality－Microbial community biomonitoring－PFU method | GB/T 12990-1991 | 1992-4-1 |
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