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View larger BS 5550-7.4.1:1990
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BS 5550-7.4.1:1990 Cinematography. Production and presentation. Sound. Specifications and measurements for the B-chain electro-acoustic response of motion-picture control rooms and indoor theatres
standard by BSI Group, 06/30/1990
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Cross References:
BS 2750
BS 3593
BS 5550:Subsection 3.4.2
BS 5550:Subsection 3.4.9
BS 5969
ISO 8622