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BS 7443:1991 | 28 Jun 1991 | BSI Knowledge
Standard
Withdrawn
BS 7443:1991
Specification for sound systems for emergency purposes
Published:
28 Jun 1991
•
Withdrawn:
15 Jan 2001
Overview
Preview
References
History
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Product Details
Descriptors
Sound intensity
Audio equipment
Audio systems
Installation
Safety devices
Marking
Communication equipment
Emergency equipment
Acoustic equipment
Microphones
Environment (working)
Performance
Noise (spurious signals)
Speech transmission systems
ICS Codes
13.320 Alarm and warning systems
33.160.30 Audio systems
Committee
EPL/100
International relationships
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ISBN
0 580 19697 6
Publisher
BSI