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| International Standard Category: Measuring instruments |
GB/T 6312-2004 Micrometer for measuring pipe wall thicknesses
壁厚千分尺 ;
| Category No.: | 17.040.30 | Valid Status: | superseded |
| Issued Organization: | AQSIQ; SAC | Issued Date: | 2004-8-1 |
| Implemented Date: | 2004-8-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 6312-2022 Micrometer for measuring pipe wall thicknesses |
Superseded Date: | 2023-2-1 |
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