防火门、窗、卷帘技术讲座成都市消防支队李良全成都金属门窗厂张建川成都惠大专利技术研究所董士聪编者按：这篇讲稿是成都惠大专利技术研究所所长董士聪，应成都市消防支队的邀请，在该市“消防技术”学习班上所作的报告，可作为开办同类学习班的参考，亦可作为产品制造... Fire Doors, Windows and Rolling Technology Lectures Chengdu City Fire Fighting Team Li Liangquan Chengdu Metal Door and Window Factory Zhang Jianchuan Chengdu Huida Patent Technology Research Institute Dong Shicong Editor’s note: This presentation is the director of the Chengdu Huida Patent Technology Institute Dong Shicong and should be firefighting in Chengdu. At the invitation of the detachment, the report made at the “Firefighting Technology” study class in the city can be used as a reference for starting a similar study class or as a product...