NFPA 17A 湿粉灭火系统标准
日期:2012-02-10 11:20
ance, and recharging
Changes in the 2009 edition include clarified criteria for certification and training of maintenance personnel and a new requirement for tagging of all non-compliant systems. (Softbound, 15 pp., 2009)
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11/02 18:27