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| Chinese National Standard Category: Material Protection |
| English Title: | Non-magnetic coatings on magnetic substrates—Measurement of coating thickness—Magnetic method |
| Chinese Title: | 磁性基体上非磁性覆盖层 覆盖层厚度测量 磁性法 |
| Standard No.: | GB/T 4956-2025 |
| Category No.: | A29 |
| Issued by: | SAMR, SAC |
| Issued on: | 2025-10-31 |
| Implemented on: | 2026-5-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB/T 4956-2003 Oon-magnetic coatings on magnetic substrates?Measurement of coating thickness?Magnetic method |
| Word Count: | 19000 words |
| Similar Standards: | GB/T 46781-2025 GB/T 46782-2025 GB/T 8642-2025 GB/T 26110-2025 GB/T 30788-2025 GB/T 31405-2025 GB/T 33791-2025 GB/T 35490-2025 GB/T 33803-2025 GB/T 17720-2025 GB/T 11372-2025 GB/T 9791-2025 GB/T 12333-2025 GB/T 11378-2025 GB/T 15821-2025 GB/T 6462-2025 GB/T 4956-2025 GB/T 15748-2025 GB/T 18226-2025 GB/T 18570.9-2025 |
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