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Cinematography. Common to more than one film gauge. Sound. Specification for positions and width dimensions of recording and reproducing head gaps 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
standard by BSI Group, 05/29/1987
BS 5550-5.4.3:1987
$139.70 $69.85
