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| Position: Chinese Standard in English/GB/T 1543-2026 |
| GB/T 1543-2026 Paper and board—Determination of opacity（paper backing—Diffuse reflectance method (English) | |||
| Standard No.: | GB/T 1543-2026 | Status: | to be valid remind me the status change |
| Target Language: | English | File Format: | |
| Word Count: | Translation Price(USD): | remind me the price change | |
| Implemented on: | 2026-12-1 | Delivery: | |
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| Standard No.: | GB/T 1543-2026 |
| English Name: | Paper and board—Determination of opacity（paper backing—Diffuse reflectance method |
| Chinese Name: | 纸和纸板 不透明度（纸背衬）的测定 漫反射法 |
| Professional Classification: | GB National Standard |
| Source Content Issued by: | SAMR, SAC |
| Issued on: | 2026-05-22 |
| Implemented on: | 2026-12-1 |
| Status: | to be valid |
| Superseding: | GB/T 1543-2005 Paper and board—Determination of opacity (paper backing)—Diffuse reflectance method |
| Target Language: | English |
| File Format: |