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| Position: Chinese Standard in English/GB/T 27995.2-2025 |
| GB/T 27995.2-2025 Semi-finished spectacle lens blanks―Part 2: Power-variation (English Version) | |||
| Standard No.: | GB/T 27995.2-2025 | Status: | to be valid |
| Language: | English | File Format: | |
| Word Count: | 9000 words | Price(USD): | 270.00 remind me the price change |
| Implemented on: | 2026-3-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB/T 27995.2-2025 |
| English Name: | Semi-finished spectacle lens blanks―Part 2: Power-variation |
| Chinese Name: | 半成品镜片毛坯第2部分：渐变焦 |
| Professional Classification: | GB National Standard |
| Issued by: | SAMR; SAC |
| Issued on: | 2025-02-28 |
| Implemented on: | 2026-3-1 |
| Status: | to be valid |
| Superseding: | GB 27995.2-2011 Semi-finished spectacle lens blanks - Part 2: Specifications for progressive power lens blanks |
| Language: | English |
| File Format: | |
| Word Count: | 9000 words |
| Price(USD): | 270.00 |
| Delivery: | via email in 1~3 business day |