DIN 21319:1989
矿山坑道用圆木.螺栓
Round pit timber; bolts
- 标准号
- DIN 21319:1989
- 发布
- 1989年
- 发布单位
- 德国标准化学会
- 当前最新
- DIN 21319:1989
- 被代替标准
- DIN 21319-64
- 适用范围
- This standard sets dimensions for struts. Struts are round timbers used for the prevention of longitudinal displacement and deflection of mine support.