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获二等奖项目海鸥DF－300A单反照相机SeagullDF-300Asingle－lensreflexcamera主要完成人徐鸿浩李勇周树根房元庆吴进主要完成单位上海海鸥照相机厂项目简介海鸥DF-300A单反相机是一架采用石英电子控制的35mm幕帘快门、光圈优先的自劝曝光照相机，它在国内同行业中处于领先地位
Won the second prize project Seagull DF-300A SLR camera Seagull DF-300Asingle-lensreflexcamera The main accomplishr Xu Honghao Li Yong Zhou Shugen Fang Yuanqing Wu Jin Major units Shanghai gull camera factory Project profile Seagull DF-300A SLR camera is a quartz electronic control 35mm curtain shutter, aperture priority persuaded exposure cameras, it is in the leading position in the domestic industry