标准查询 标准查询电影 超8mmⅠ型电影摄影机胶片盒 摄影机胶片运行长度、片孔切除及胶片运行终止缺口 规范
Cinematography; Motion-picture camera cartridge, 8 mm type S, model 1; Camera run length, perforation cut-out and end-of-run notch in film; Specifications
标准查询Cinematography; Motion-picture camera cartridge, 8 mm type S, model 1; Camera run length, perforation cut-out and end-of-run notch in film; Specifications
