PDF
GB 50471-2018 Active
GB 50471-2018 Standard for design of the gas drainage engineering of coal mine
Abstract
This standard is formulated to regulate the design of gas extraction projects in coal mines, improve the quality of gas extraction design, and ensure the safe production of coal mines
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB 50471-2018 |
| Implement Date | 2018-09-01 |
Price
$ 20.00
Subtotal
$ 20.00
Tax
$ 0.00
Order Total (incl. tax)
$ 20.00