09/30173298 DC 标准详情
- 标准号:09/30173298 DC
- 中文标题:
- 英文标题:BS EN 81-21. Safety rules for the construction and installation of lifts. Lifts for the transport of persons and goods. Part 21. New passenger and goods passenger lifts in existing buildings
- 标准类别:标准草案
- 发布日期: