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| Position: Chinese Standard in English/GB/T 6948-1998 |
| GB/T 6948-1998 Microscopical determination of the reflectance of vitrinite in coal (English Version) | |||
| Standard No.: | GB/T 6948-1998 | Status: | abolished remind me the status change |
| Language: | English | File Format: | |
| Word Count: | 7500 words | Price(USD): | 220.0 remind me the price change |
| Implemented on: | 1999-5-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB/T 6948-1998 |
| English Name: | Microscopical determination of the reflectance of vitrinite in coal |
| Chinese Name: | 煤的镜质体反射率显微镜测定方法 |
| Chinese Classification: | D26 Coal petrography |
| Professional Classification: | GB National Standard |
| Issued by: | State Qualtiy Technical Supervision Bureau |
| Issued on: | 1998-12-08 |
| Implemented on: | 1999-5-1 |
| Status: | abolished |
| Superseded by: | GB/T 6948-2008 Method of determining microscopically the reflectance of vitrinite in coal |
| Superseded on: | 2009-3-1 |
| Abolished on: | 2009-03-01 |
| Superseding: | GB/T 6948-1986 GB 6948-1986 Method of determining microscopically the reflectance of vitrinite in coal |
| Language: | English |
| File Format: | |
| Word Count: | 7500 words |
| Price(USD): | 220.0 |
| Delivery: | via email in 1~3 business day |