DIN 21639-1999 标准详情
- 标准号:DIN 21639-1999
- 中文标题:动力辅助作动的空气门.行车道空气锁.压力门
- 英文标题:Power assisted air gates - Travel-way air locks - Type doors with pressure
- 标准类别:德国标准
- 发布日期:1999-09
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
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