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| Position: Chinese Standard in English/GB 1293-1977 |
| GB 1293-1977 (English Version) | |||
| Standard No.: | GB 1293-1977 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | Price(USD): | remind me the price change | |
| Implemented on: | Delivery: | ||
| Standard No.: | GB 1293-1977 |
| Professional Classification: | GB National Standard |
| Status: | superseded |
| Superseded by: | GB/T 1293-1989 Chemical reagent--1, 10-Phenanthroline |
| Superseded on: | 1989-1-2 |
| Language: | English |
| File Format: |