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BS 4218:1978 | 30 Sep 1978 | BSI Knowledge
Standard
Withdrawn
BS 4218:1978
Specification for self-luminous exit signs
Published:
30 Sep 1978
•
Withdrawn:
28 Nov 1986
Overview
Preview
References
History
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Product Details
Descriptors
Colour
Testing
Letters (symbols)
Luminance
Emergency exits
Sign lighting (buildings)
Luminosity
Marking
Tritium
Light-emitting devices
Exits
Dimensions
ICS Codes
01.080.10 Public information symbols. Signs. Plates. Labels
13.220.20 Fire protection
Committee
PH/8
International relationships
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ISBN
0 580 10270 X
Publisher
BSI