DIN 21615:1990
矿井辅助通风设备.带法兰和凸缘的薄金属板制异径接头.
Auxiliary ventilation for mining; sheet metal reducers with flange and shoulder
2009-10
- 标准号
- DIN 21615:1990
- 发布
- 1990年
- 发布单位
- 德国标准化学会
- 替代标准
- DIN 21615:2009
- 当前最新
- DIN 21615:2009
- 适用范围
- Reducers by this standard serve as connecting pieces for a graded connection between ventilation equipments with flange joints and flexible plastiv air ducts.