Describes the installation, performance, operation, and maintenance of public emergency services communications systems and facilities.
- NFPA 1221-2010 紧急通讯系统的安装,维护及使用标准.生效日期:2009-06-15( 现行 )
- 发布日期:2018-07-20 实施日期: 发布部门:
- 简介:Describes the installation, performance, operation, and maintenance of public emergency services communications systems and facilities.

