CGSB 69.20-1990 标准详情
- 标准号:CGSB 69.20-1990
- 中文标题:
- 英文标题:Door Controls (closers)
- 标准类别:加拿大通用CGSB局CGSB
- 发布日期:
Gives requirements for door closers surface mounted, concealed in the door, overhead and floor. Includes thresholds and pivots for floor closers. Criteria for conformance include cycle, closing force, operational and finish tests. Also included are o
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