UL 864-2020
火灾警报系统用控制单元和配件的UL安全标准 (第十版)
UL Standard for Safety Control Units and Accessories for Fire Alarm Systems (Tenth Edition; Reprint with revisions through and including March 29@ 2018)
- 标准号
- UL 864-2020
- 发布单位
- 美国保险商实验所
- 当前最新
- UL 864-2020