Cart:
Keyword:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| JJF 1202-2008 |
Calibration specification for electret microphones 驻极体传声器校准规范 |
China Metrological
Standards Calibration specification electret |
 English PDF |
| JJF 1145-2006 |
Calibration specification for electret microphone instrument 驻极体传声器测试仪校准规范 |
China Metrological
Standards Calibration specification electret |
English PDF |
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