ISO 162:1985 電影 35mm磁片上三聲軌、四聲軌或六聲軌和17.5mm磁片上單聲軌錄音和磁頭隙縫 位置和寬度尺寸
Cinematography; Head gaps and sound records for three-, four-, or six-track magnetic sound records on 35 mm and single-track on 17,5 mm motion-picture film containing no picture; Positions and width dimensions