NFPA 71-1989 标准详情
- 标准号:NFPA 71-1989
- 中文标题:标准的安装,维护和使用的信令系统中心站的服务退出
- 英文标题:standard for the installation, maintenance, and use of signaling systems for central station service withdrawn
- 标准类别:美国防火协会标准
- 发布日期:
Provides for maintained and supervised systems from an approved central station that is operated by a person, firm, or corporation whose principal business is furnishing and maintaining a supervised signaling service. Coverage includes definitions, p
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