70mm电影涂磁发行拷贝上磁性声迹的录音频率相应特性
Audio records on 70mmmotion-picture release prints with magnetic stripes--Recorded characteristics
标准状态
发布于：1991-09-16
实施于：1992-06-01
已废止
基本信息
内容预览
Audio records on 70mmmotion-picture release prints with magnetic stripes--Recorded characteristics