Construction of box type signs for surface mounting, recessing or rigid suspension. Requirements for sizes of lettering, positioning of directional arrows, diffusers, colour filters, illuminants and luminance.
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BS 2560:1978
Original price was: $160.02.$80.00Current price is: $80.00.
Specification for exit signs (internally illuminated)
BSI Group , 10/31/1978
Pages: 8
