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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| JJG 1018-2007 |
Verification Regulation of Standard Hydrophones in the Frequency Range 1Hz to 2kHz 1hz～2khz标准水听器检定规程 |
China Metrological
Standards 1Hz |
 English PDF |
| JJG 340-1999 |
Verification Regulation of Measuring Hydrophone in the Frequency Range 1Hz to 1000Hz 1hz～1000hz测量水听器 |
China Metrological
Standards 1Hz |
English PDF |
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