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| Chinese National Standard Category: Acoustic Measurement |
| English Title: | Acoustics - Calibration of hydrophones - Part 1: Procedures for free-field calibration |
| Chinese Title: | 声学 水听器校准 第1部分：自由场校准方法 |
| Standard No.: | GB/T 4130.1-2025 |
| Category No.: | A59 |
| Issued by: | SAMR; SAC |
| Issued on: | 2025-8-1 |
| Implemented on: | 2026-2-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB/T 3223-1994 Acoustics--Free-field calibration method of underwater sound transducers |
| Word Count: | 38500 words |
| Similar Standards: | GB/T 19889.1-2026 GB/T 25077.1-2025 GB/Z 7584.5-2026 GB/Z 41283.2-2026 GB/Z 41283.3-2026 GB/Z 3222.3-2026 GB/T 4130.1-2025 GB/T 4129-2025 GB/T 20242-2025 GB/T 45305.2-2025 GB/T 46044.2-2025 GB/T 45830-2025 GB/T 45726-2025 GB/T 17249.1-2025 GB/T 17249.2-2025 GB/T 16405-2025 GB/T 3241.1-2025 GB/T 3241.2-2025 GB/T 20441.8-2025 GB/T 20441.7-2025 |
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