92/38205 DC被替代
Cinematography - Magnetic Stripes And Magnetic Recording Head Gaps For Sound Record On 16 Mm Motion-picture Film Perforated Along One Edge (type 1) - Positions And Width Dimensions (iso/dis 490) (revision Of Bs 5550: Subsection 2.4.6)
出版：British Standards Institution
专家解读视频
