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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YY/T 0749-2009 |
Ultrasonics. Hand-held probe Doppler foetal heartbeat detectors. Performance requirements and methods of measurement and reporting 超声 手持探头式多普勒胎儿心率检测仪 性能要求及测量和报告方法 |
China Medicine & Medical Device
Standards Ultrasonics Hand |
 English PDF |
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