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公安部天津消防科研所利用河北省任邱县卷帘门窗厂提供的金属卷帘,研制成FJ—1型自动报警洒水防火卷帘。其抗烧能力达到1.2小时以上,相当于甲级防火门的耐火极限。1985年9月在津通过技术鉴定。
Tianjin Fire Research Institute Ministry of Public Security Renqiu use shutter doors and windows factory in Hebei Province to provide metal shutter, developed into a FJ-1 automatic fire alarm fire shutter. Its anti-burning ability to reach more than 1.2 hours, equivalent to Class A fire-resistant doors of fire resistance. September 1985 in Tianjin passed the technical appraisal.