Home / Standards / GB 4342-84 GB 4342-84 Image position and dimensions formed on film by the film gate of 16mm motion-picture cameras 16mm电影摄影机片窗在胶片上所形成的影像位置和尺寸 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A