标准摘要
[中文适用范围]： 本国际标准规定了 17.5 毫米单穿孔磁记录胶片上两个磁录音机和控制磁道的记录头的横向位置和宽度尺寸。 它还指定了胶片行进的再现速度。 [外文原描述]： This International Standard specifies the lateral positions and width dimensions of the recording heads for two magnetic Sound records and a control track on 17,5 mm Single perforated magnetic recording film. lt also specifies the reproducing velocity of the film travel.
英文名称Cinematography — Recording head gaps for two sound records on 17,5 mm magnetic film — Positions and width dimensions