GB/T 4637-1994 Standard PDF file download ; GB/T 4637-1994 Standard english preview version download

GB Standard Code	GB/T 4637-1994
Standard Category	China National Standards
GB Standard English Title	Head gaps andsound records for three-，four-，or six-track magnetic sound records on 35mmmotion-picture film containing no picture--Positions and width dimensions
GB Standard Chinese Title	35mm磁片上三声轨、四声轨和六声轨磁头隙缝的位置和宽度尺寸
Chinese Version Price	$15 USD per 50 pages
English Translation Price	About $15 per 1 page; Inquire us for detail price

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