Cart:
Keyword:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| QX/T 552—2022 |
Negative oxygen ion observation data format BUFR {译} 负氧离子观测数据格式 BUFR |
China Meteorology Industry
Standards Negative oxygen |
 English PDF |
| AQ 1053-2008 |
Self-contained negative pressure compressed oxygen respirator 隔绝式负压氧气呼吸器 |
China Safety & Security
Standards Negative oxygen |
English PDF |
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