NFPA 1989 消防和应急设备呼吸空气质量标准
日期:2012-02-10 11:51
5.4 added special testing and procedures for suspected or actual contaminated breathing air.
Section 5.6 Breathing Air Quality Requirements added a new requirement for nitrogen content in 5.6.8, and the associated testing method was added to Chapter 6 in Section 6.8.
All of Chapter 5 Air Quality Requirements was updated for clarity and organization, and to refine the requirements.
All of Chapter 6 Test Methods was revised for specificity modifications to the test methods.
A new Chapter 7 C
5/6 下一页 上一页 首页 尾页
返回
刷新
WAP首页
网页?/a>
登录
08/29 23:26