 |
Chinese Classification
Professional Classification
ICS Classification
Latest
News
Value-added Services
|
LoginRegister |
| Position: Chinese Standard in English/GB/T 7957-2017 |
| GB/T 7957-2017 General requirements for construction，performance and explosion protected testing of caplights for use in mines susceptible to firedamp (English Version) | |||
| Standard No.: | GB/T 7957-2017 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | 8500 words | Price(USD): | 250.00 remind me the price change |
| Implemented on: | 2017-12-29 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB/T 7957-2017 |
| English Name: | General requirements for construction，performance and explosion protected testing of caplights for use in mines susceptible to firedamp |
| Chinese Name: | 瓦斯环境用矿灯结构、性能和防爆试验通用要求 |
| 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 |
| Implemented on: | 2017-12-29 |
| Status: | superseded |
| Superseded by: | GB 7957-2023 Safety technical requirement for cap lamps in coal mine |
| Superseded on: | 2025-4-1 |
| Superseding: | GB 7957-2003 General requirements for safety of cap lamp GB 7957.2-2009 Caplights for use in mines susceptible to firedamp—Part 2:Performance and other safety-related matters |
| Language: | English |
| File Format: | |
| Word Count: | 8500 words |
| Price(USD): | 250.00 |
| Delivery: | via email in 1~3 business day |