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PDF Standards BS 5550-4.2.1:1978

Cinematography. 65 mm and 70 mm film. Image areas. Specification for positions and dimensions of image area produced by 65 mm and 70 mm motion-picture camera aperture and maximum projectable image area on 70 mm motion-picture film
standard by BSI Group, 03/31/1978

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PDF Standards BS 4443-6:1991

Methods of test for flexible cellular materials-Method 14. Preparation of water extract. Method 15. Determination of tear strength. Method 16. Determination of air flow value
standard by BSI Group, 05/31/1991

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