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Standard Insuued on: 1997-09 |
Category No.: | JJ | Valid Status: | superseded |
Issued Organization: | State Technical Supervision Bureau | Issued Date: | 1997-09-01 |
Implemented Date: | 1998-3-1 | Abolished Date: | |
Superseded Standard.: | JJG 185-2017 Standard Hydrophones in the Frequency Range 500 Hz to 1 MHz(Free-field Comparison Method) |
Superseded Date: | 2018-5-20 |
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