ISO 2691:1987
Photography — Expendable photoflash lamps (without integral reflector) — Defintions and requirements for luminous flux/time characteristics
Reference number
ISO 2691:1987
ISO 2691:1987
Edición 2
1987-12
1987-12
© ISO 2024
Retirada
Resumen
The specifications apply to photoflash lamps in which the light is produced by a combustion within a transparent envelope, initiated by an electrical contact. the important time intervals of the luminous flux/time characteristics for such lamps are given, and the lamps are classified on the basis of these intervals.
Ciclo de vida
-
Anteriormente
RetiradaISO 2691:1973
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Ahora
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