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Chinese National Standard Category: Rare metal ore |
English Title: | Tungsten concentrate |
Chinese Title: | 钨精矿 |
Standard No.: | YS/T 231-2007 |
Category No.: | D43 |
Issued by: | NDRC |
Issued on: | 2007-04-13 |
Implemented on: | 2007-10-1 |
Status: | superseded |
Superseded by: | YS/T 231-2015 Tungsten concentrate |
Superseded on: | 2015-10-1 |
Abolished on: | |
Superseding: | YS/T 231-1994 Technical requirements for tungsten concentrate |
Word Count: | 3000 words |
Similar Standards: | GB/T 18114.4-2000 GB/T 18114.3-2000 YS/T 235-2016 YS/T 231-2015 YB/T 159.6-2015 YS/T 300-2015 YS/T 947-2013 YS/T 358.12-2012 GB/T 27682-2011 YS/T 358.4-2011 YS/T 254.4-2011 YS/T 358.3-2011 YS/T 254.2-2011 YS/T 358.10-2011 YS/T 254.3-2011 YS/T 254.1-2011 YS/T 358.1-2011 YS/T 358.5-2011 YS/T 358.7-2011 YS/T 262-2011 |
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