论文部分内容阅读
新型自动复位防烟防火阀（专利号：９２２２７１１４３）ＦＦＺ（ＳＦＶＭＤ）新型自动复位防烟防火阀是江苏省靖江市振华建筑防火器材厂引进日本的新技术和样机，自行开发研制的新产品。一、ＦＦＺ（ＳＦＶＭＤ）自动复位型防烟防火阀用途与特点（一）主要用途：１．ＦＦ...
New automatic reset smoke and fire damper (patent number: 922271143) FFZ (SFVMD) new automatic reset smoke and fire damper is Jinghua Zhenjiang, Jiangsu Zhenhua Fire Building Materials Equipment Factory to introduce Japan’s new technology and prototype, self-developed new products. First, FFZ (SFVMD) automatic reset type smoke fire damper purposes and characteristics (A) of the main purposes: 1. FF ...