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| Position: Chinese Standard in English/YB 4050-1991 |
| YB 4050-1991 (English Version) | |||
| Standard No.: | YB 4050-1991 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | 1500 words | Price(USD): | 45.00 remind me the price change |
| Implemented on: | 1992-1-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | YB 4050-1991 |
| Chinese Name: | 重稀土氧化物富集物 |
| Chinese Classification: | H65 Rare metals and their alloys |
| Professional Classification: | YB Professional Standard - Metallurgy |
| Issued on: | 1991-05-04 |
| Implemented on: | 1992-1-1 |
| Status: | superseded |
| Superseded by: | XB/T 208-1995 Heavy Rare Earth Oxide Enrichment |
| Superseded on: | 1995-1-1 |
| Language: | English |
| File Format: | |
| Word Count: | 1500 words |
| Price(USD): | 45.00 |
| Delivery: | via email in 1~3 business day |