Self-energized signs for luminosity requiring no external source of power, for mounting in theatres, cinemas, etc. Specifies energy source, lettering sizes, level and uniformity of luminance, and tests for impact, temperature, vibration and pressure.
Original price was: $264.16.$132.00Current price is: $132.00.
Specification for self-luminous exit signs
BSI Group , 09/30/1978
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