Ventilation duct run 4 m (Underground Mine and Shaft Works)
A 4 m run of 1.1 m rigid ventilation ducting with bolted flanges, roof hanger brackets and reflective marker plates.
- 格式
- GLB
- 文件大小
- 37 KB
- 三角面
- 756
- 许可
- CC0 1.0
A 4 m run of 1.1 m rigid ventilation ducting with bolted flanges, roof hanger brackets and reflective marker plates.