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| Position: Chinese Standard in English/GB 7957.2-2009 |
| GB 7957.2-2009 Caplights for use in mines susceptible to firedamp—Part 2:Performance and other safety-related matters (English Version) | |||
| Standard No.: | GB 7957.2-2009 | Status: | superseded remind me the status change |
| Language: | English | File Format: | |
| Word Count: | 6000 words | Price(USD): | 180.0 remind me the price change |
| Implemented on: | 2010-2-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB 7957.2-2009 |
| English Name: | Caplights for use in mines susceptible to firedamp—Part 2:Performance and other safety-related matters |
| Chinese Name: | 瓦斯环境用矿灯 第2部分：性能和其它相关安全事项 |
| Chinese Classification: | K35 Explosion-proof electric apparatus |
| Professional Classification: | GB National Standard |
| ICS Classification: | 29.260.20 Electrical apparatus for explosive atmospheres |
| Issued by: | AQSIQ; SAC |
| Issued on: | 2009-9-30 |
| Implemented on: | 2010-2-1 |
| Status: | superseded |
| Superseded by: | GB/T 7957-2017 General requirements for construction，performance and explosion protected testing of caplights for use in mines susceptible to firedamp |
| Superseded on: | 2017-12-29 |
| Language: | English |
| File Format: | |
| Word Count: | 6000 words |
| Price(USD): | 180.0 |
| Delivery: | via email in 1~3 business day |