| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JJG 340-2017 | English | 369 |
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Days<=4
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Standard Hydrophones in the Frequency Range 1 Hz to 2 kHz(Closed-chamber Comparison Method)
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JJG 340-2017
| Valid |
JJG 340-2017
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