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| Position: Chinese Standard in English/QB 540-1980 |
| QB 540-1980 (English Version) | |||
| Standard No.: | QB 540-1980 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | Price(USD): | remind me the price change | |
| Implemented on: | 1999-3-15 | Delivery: | |
| Standard No.: | QB 540-1980 |
| Chinese Name: | 管型玻壳尺寸系列 |
| Chinese Classification: | K74 Lamp accessories |
| Professional Classification: | QB Professional Standard - Light Industry |
| Implemented on: | 1999-3-15 |
| Status: | superseded |
| Superseded by: | QB/T 2049.9-1994 Glass Envelope of Electric Light Source - Dimension of T Model Glass Envelope |
| Superseded on: | 1995-8-1 |
| Language: | English |
| File Format: |