DIN 21639 Berichtigung 1-2004 标准详情
- 标准号:DIN 21639 Berichtigung 1-2004
- 中文标题:对DIN 21639-1999的勘误
- 英文标题:Corrigenda to DIN 21639:1999-09
- 标准类别:德国标准
- 发布日期:2004-11
The document specifies the requirements for travel-way air locks in level and inclined mine excavations of mining. Travel-way air locks are built in connection with air locks. They allow travelling miners to pass the air lock without danger and to av
* 特别声明:资源收集自网络或用户上传,本网站所提供的电子文本仅供参考,请以正式出版物为准。仅供个人标准化学习,研究使用。如有侵权,请及时联系我们!
